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	<title>追風箏的小孩 &#187; C語言</title>
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		<title>[C] 指標與陣列的關係</title>
		<link>http://m955.com/wp/archives/100</link>
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		<pubDate>Mon, 10 Mar 2008 07:50:02 +0000</pubDate>
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		<description><![CDATA[指標與陣列的關係，3例題。

EX1：
PLAIN TEXT
C:




/* 陣列與指標的運用 */


&#160;


#include&#60;stdio.h&#62;


&#160;


main&#40;&#41;


&#123;


&#160; int arr&#91;5&#93;=&#123;50,88,12,35,66&#125;;


&#160; printf&#40;"宣告arr... ]]></description>
			<content:encoded><![CDATA[<p>指標與陣列的關係，3例題。</p>
<p><span id="more-100"></span></p>
<p>EX1：</p>
<div class="igBar"><span id="lc-4"><a href="#" onclick="javascript:showPlainTxt('c-4'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-4">
<div class="c">
<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/* 陣列與指標的運用 */</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> arr<span style="color: #66cc66;">&#91;</span><span style="color: #cc66cc;color:#800000;">5</span><span style="color: #66cc66;">&#93;</span>=<span style="color: #66cc66;">&#123;</span><span style="color: #cc66cc;color:#800000;">50</span>,<span style="color: #cc66cc;color:#800000;">88</span>,<span style="color: #cc66cc;color:#800000;">12</span>,<span style="color: #cc66cc;color:#800000;">35</span>,<span style="color: #cc66cc;color:#800000;">66</span><span style="color: #66cc66;">&#125;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"宣告arr陣列 arr[5]={50,88,12,35,66}<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #808080; font-style: italic;">/*---------------------------- </span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 相同的，我們也可以運用 &amp; 字元</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 來取得元素的記憶體位置。 </span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; ------------------------------*/</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"arr陣列[0]的值為：%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,arr<span style="color: #66cc66;">&#91;</span><span style="color: #cc66cc;color:#800000;">0</span><span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"arr陣列[0]的位置為：%p<span style="color: #000099; font-weight: bold;">\n</span>"</span>,&amp;arr<span style="color: #66cc66;">&#91;</span><span style="color: #cc66cc;color:#800000;">0</span><span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"arr陣列[1]的值為：%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,arr<span style="color: #66cc66;">&#91;</span><span style="color: #cc66cc;color:#800000;">1</span><span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"arr陣列[1]的位置為：%p<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>"</span>,&amp;arr<span style="color: #66cc66;">&#91;</span><span style="color: #cc66cc;color:#800000;">1</span><span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #808080; font-style: italic;">/*---------------------------- </span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 也可以不用使用 &amp; 字元，直接打</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 上陣列名稱，也可以取得第一個元</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 素的位置，加上 * 號可以取得值。 </span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; ------------------------------*/</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"arr[0]的值：%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,*arr<span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"arr[0]的位置：%p<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>"</span>,arr<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #808080; font-style: italic;">/*---------------------------- </span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 也可以加上運算式，取得後面的</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 值，或位置。 </span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; ------------------------------*/</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"arr[1]的值：%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,*<span style="color: #66cc66;">&#40;</span>arr+<span style="color: #cc66cc;color:#800000;">1</span><span style="color: #66cc66;">&#41;</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"arr[0]的位置：%p<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>"</span>,<span style="color: #66cc66;">&#40;</span>arr+<span style="color: #cc66cc;color:#800000;">1</span><span style="color: #66cc66;">&#41;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; getch<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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</ol>
</div>
</div>
</div>
<p></p>
<p>EX2：</p>
<div class="igBar"><span id="lc-5"><a href="#" onclick="javascript:showPlainTxt('c-5'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-5">
<div class="c">
<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/* 使用陣列為引(參)數 */</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">double</span> avg<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> t<span style="color: #66cc66;">&#91;</span><span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> test<span style="color: #66cc66;">&#91;</span><span style="color: #cc66cc;color:#800000;">5</span><span style="color: #66cc66;">&#93;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> i;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">double</span> ans;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">0</span>;i&lt;<span style="color: #cc66cc;color:#800000;">5</span>;i++<span style="color: #66cc66;">&#41;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#123;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"請輸入第%d個數字："</span>,i+<span style="color: #cc66cc;color:#800000;">1</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; scanf<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"%d"</span>,&amp;test<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#125;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; ans = avg<span style="color: #66cc66;">&#40;</span>test<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"平均%1f"</span>,ans<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; getch<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">double</span> avg<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> t<span style="color: #66cc66;">&#91;</span><span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> i;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">double</span> sum=<span style="color: #cc66cc;color:#800000;">0</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">0</span>;i&lt;<span style="color: #cc66cc;color:#800000;">5</span>;i++<span style="color: #66cc66;">&#41;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; sum += t<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span>; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#125;</span>&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">return</span> sum/<span style="color: #cc66cc;color:#800000;">5</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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</ol>
</div>
</div>
</div>
<p></p>
<p>EX3：</p>
<div class="igBar"><span id="lc-6"><a href="#" onclick="javascript:showPlainTxt('c-6'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-6">
<div class="c">
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/* 陣列指標運用 */</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">double</span> avg<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> *pT<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">int</span> main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> i;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> test<span style="color: #66cc66;">&#91;</span><span style="color: #cc66cc;color:#800000;">5</span><span style="color: #66cc66;">&#93;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">double</span> ans;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">0</span>;i&lt;<span style="color: #cc66cc;color:#800000;">5</span>;i++<span style="color: #66cc66;">&#41;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#123;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"請輸入第%d人成績分數:"</span>,i+<span style="color: #cc66cc;color:#800000;">1</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; scanf<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"%d"</span>,&amp;test<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#125;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; ans = avg<span style="color: #66cc66;">&#40;</span>test<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"5人的平均分數為:%1f"</span>,ans<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; getch<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">double</span> avg<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> *pT<span style="color: #66cc66;">&#41;</span> <span style="color: #808080; font-style: italic;">//可以宣告成指標型態 </span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> i;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">double</span> sum = <span style="color: #cc66cc;color:#800000;">0</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">0</span>;i&lt;<span style="color: #cc66cc;color:#800000;">5</span>;i++<span style="color: #66cc66;">&#41;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #808080; font-style: italic;">//sum += *(pT+i); //指標運算 i 為位置 </span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; sum += pT<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span>;&nbsp; &nbsp; &nbsp; &nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#125;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #808080; font-style: italic;">/*-------------------------------------</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 當然也可以使用 [] 運算式，當指標與陣列</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 有關時，就可以把指標與陣列採用相同的方</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; 式處理。</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; ----------------------------------------*/</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">return</span> sum/<span style="color: #cc66cc;color:#800000;">5</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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</ol>
</div>
</div>
</div>
<p></p>
]]></content:encoded>
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		<title>[C] Pointer</title>
		<link>http://m955.com/wp/archives/99</link>
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		<pubDate>Sat, 08 Mar 2008 02:54:50 +0000</pubDate>
		<dc:creator>blue955</dc:creator>
				<category><![CDATA[程式]]></category>
		<category><![CDATA[C語言]]></category>

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		<description><![CDATA[指標的運用，三例題

PLAIN TEXT
C:




/* 指標的運用 */


&#160;


#include&#60;stdio.h&#62;


&#160;


main&#40;&#41;


&#123;


&#160; int a = 5;


&#160; int *pA;


&#160; pA = &#38;a; //pA &#34;值&#34; 為變數 a 的記憶體位置 


... ]]></description>
			<content:encoded><![CDATA[<p>指標的運用，三例題</p>
<p><span id="more-99"></span></p>
<div class="igBar"><span id="lc-10"><a href="#" onclick="javascript:showPlainTxt('c-10'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-10">
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<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/* 指標的運用 */</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> a = <span style="color: #cc66cc;color:#800000;">5</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> *pA;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; pA = &amp;a; <span style="color: #808080; font-style: italic;">//pA &quot;值&quot; 為變數 a 的記憶體位置 </span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span style="color: #808080; font-style: italic;">//此行是初始 pA 值，不指定的話</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span style="color: #808080; font-style: italic;">//*pA就會不知道指到哪裡去了。 </span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"a變數值為%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,a<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"a變數位址為%p<span style="color: #000099; font-weight: bold;">\n</span>"</span>,&amp;a<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"pA變數值%x<span style="color: #000099; font-weight: bold;">\n</span>"</span>,pA<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"pA變數位址為%p<span style="color: #000099; font-weight: bold;">\n</span>"</span>,pA<span style="color: #66cc66;">&#41;</span>; </div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"pA變數指標值為%d<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>"</span>,*pA<span style="color: #66cc66;">&#41;</span>; </div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; *pA = <span style="color: #cc66cc;color:#800000;">10</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"-- 宣告 *pA = 10; --<span style="color: #000099; font-weight: bold;">\n</span>"</span>,a<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"a變數值為%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,a<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #808080; font-style: italic;">/*---整理一下---------------------------------------</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; a 變數a</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; &amp;a 變數a的記憶體位置</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; </span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; pA = &amp;a; pA的值儲存了&amp;a的記憶體位置(16進位)</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; *pA 指向變數a，其值也成了5 </span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; *pA = 10; 變數a值也會變成10 </span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">&nbsp; -----------------------------------------------------*/</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; getch<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
</li>
</ol>
</div>
</div>
</div>
<p></p>
<div class="igBar"><span id="lc-11"><a href="#" onclick="javascript:showPlainTxt('c-11'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-11">
<div class="c">
<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> swap<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> *,<span style="color: #993333;">int</span> *<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> n1 = <span style="color: #cc66cc;color:#800000;">10</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> n2 = <span style="color: #cc66cc;color:#800000;">20</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"交換前 n1=%d, n2=%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,n1,n2<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; swap<span style="color: #66cc66;">&#40;</span>&amp;n1,&amp;n2<span style="color: #66cc66;">&#41;</span>; <span style="color: #808080; font-style: italic;">//初始 pointer </span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"交換後 n1=%d, n2=%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,n1,n2<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; getch<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> swap<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> *x,<span style="color: #993333;">int</span> *y<span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> tmp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; tmp = *x;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; *x = *y;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; *y = tmp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/*-----------------------------------</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">函數是所謂的&quot;傳值&quot;來傳遞參數，如果沒</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">有使用指標，那只是把數值傳遞到函數裡</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">作交換，實際上 n1 與 n2 記憶體裡面的</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">值並沒有做變動。</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">------------------------------------*/</span> </div>
</li>
</ol>
</div>
</div>
</div>
<p></p>
<div class="igBar"><span id="lc-12"><a href="#" onclick="javascript:showPlainTxt('c-12'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-12">
<div class="c">
<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> add<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> *x,<span style="color: #993333;">int</span> *y<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> n1,n2;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"請輸入兩個科目的分數:"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; scanf<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"%d %d"</span>,&amp;n1,&amp;n2<span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; add<span style="color: #66cc66;">&#40;</span>&amp;n1,&amp;n2<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"科目1 變成%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,n1<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"科目2 變成%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,n2<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; getch<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;&nbsp; </div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> add<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> *x,<span style="color: #993333;">int</span> *y<span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> addf;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"請輸入加分的數字:"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; scanf<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"%d"</span>,&amp;addf<span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; *x = *x + addf;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; *y = *y + addf;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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</ol>
</div>
</div>
</div>
<p></p>
]]></content:encoded>
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		</item>
		<item>
		<title>[C] RAM Address</title>
		<link>http://m955.com/wp/archives/98</link>
		<comments>http://m955.com/wp/archives/98#comments</comments>
		<pubDate>Sat, 08 Mar 2008 02:51:57 +0000</pubDate>
		<dc:creator>blue955</dc:creator>
				<category><![CDATA[程式]]></category>
		<category><![CDATA[C語言]]></category>

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		<description><![CDATA[記憶體位置

PLAIN TEXT
C:




/* 記憶體位置 */


&#160;


#include&#60;stdio.h&#62;


&#160;


main&#40;&#41;


&#123;


&#160; int a = 5;


&#160; printf&#40;"宣告 int a = 5\n"&#41;;


&#160; printf&#40;"a的值為:%d\n",a&#41;;


&#160; pri... ]]></description>
			<content:encoded><![CDATA[<p>記憶體位置<br />
<span id="more-98"></span></p>
<div class="igBar"><span id="lc-14"><a href="#" onclick="javascript:showPlainTxt('c-14'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-14">
<div class="c">
<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/* 記憶體位置 */</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> a = <span style="color: #cc66cc;color:#800000;">5</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"宣告 int a = 5<span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"a的值為:%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,a<span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"a的在記憶體中的位置:%p<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>"</span>,&amp;a<span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; system<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"PAUSE"</span><span style="color: #66cc66;">&#41;</span>; </div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
</li>
</ol>
</div>
</div>
</div>
<p></p>
]]></content:encoded>
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		<item>
		<title>[C] Value Lite Time</title>
		<link>http://m955.com/wp/archives/97</link>
		<comments>http://m955.com/wp/archives/97#comments</comments>
		<pubDate>Sat, 08 Mar 2008 02:50:04 +0000</pubDate>
		<dc:creator>blue955</dc:creator>
				<category><![CDATA[程式]]></category>
		<category><![CDATA[C語言]]></category>

		<guid isPermaLink="false">http://m955.com/wp/archives/97</guid>
		<description><![CDATA[變數存活時間

PLAIN TEXT
C:




/* 變數存活時間 */


#include&#60;stdio.h&#62;


&#160;


void var&#40;void&#41;;


&#160;


int a = 0; //全域變數 


&#160;


main&#40;&#41;


&#123;


&#160; int i;


&#160; for&#40;i=0;i&#60;5;i++&#41;

... ]]></description>
			<content:encoded><![CDATA[<p>變數存活時間<br />
<span id="more-97"></span></p>
<div class="igBar"><span id="lc-16"><a href="#" onclick="javascript:showPlainTxt('c-16'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-16">
<div class="c">
<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/* 變數存活時間 */</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> var<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">void</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">int</span> a = <span style="color: #cc66cc;color:#800000;">0</span>; <span style="color: #808080; font-style: italic;">//全域變數 </span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> i;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">0</span>;i&lt;<span style="color: #cc66cc;color:#800000;">5</span>;i++<span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#123;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; var<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#125;</span>&nbsp; &nbsp;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; system<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"PAUSE"</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> var<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">void</span><span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> b = <span style="color: #cc66cc;color:#800000;">0</span>;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span style="color: #808080; font-style: italic;">//區域變數，函數執行完即釋放 ram space </span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">static</span> <span style="color: #993333;">int</span> c = <span style="color: #cc66cc;color:#800000;">0</span>;&nbsp; <span style="color: #808080; font-style: italic;">//靜態區域變數，會一直佔據 ram space </span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"a變數值=%d, b變數值=%d, c變數值=%d<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>"</span>,a,b,c<span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; a++;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; b++;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; c++;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
</li>
</ol>
</div>
</div>
</div>
<p></p>
]]></content:encoded>
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		</item>
		<item>
		<title>[C] Function return</title>
		<link>http://m955.com/wp/archives/96</link>
		<comments>http://m955.com/wp/archives/96#comments</comments>
		<pubDate>Sat, 08 Mar 2008 00:45:42 +0000</pubDate>
		<dc:creator>blue955</dc:creator>
				<category><![CDATA[程式]]></category>
		<category><![CDATA[C語言]]></category>

		<guid isPermaLink="false">http://m955.com/wp/archives/96</guid>
		<description><![CDATA[函數回傳值，兩例題

PLAIN TEXT
C:




/* 函數回傳值試驗 */


#include&#60;stdio.h&#62;


#include&#60;stdlib.h&#62;


&#160;


void printGold&#40;char,int&#41;;


void tempr&#40;int&#41;;


&#160;


main&#40;&#41;


&#123;


&#160; int ro... ]]></description>
			<content:encoded><![CDATA[<p>函數回傳值，兩例題<br />
<span id="more-96"></span></p>
<div class="igBar"><span id="lc-19"><a href="#" onclick="javascript:showPlainTxt('c-19'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-19">
<div class="c">
<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/* 函數回傳值試驗 */</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdlib.h&gt;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> printGold<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">char</span>,<span style="color: #993333;">int</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> tempr<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> rows = <span style="color: #cc66cc;color:#800000;">10</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> t = <span style="color: #cc66cc;color:#800000;">30</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">char</span> ch = <span style="color: #ff0000;">'$'</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"金字塔展示:<span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; printGold<span style="color: #66cc66;">&#40;</span>ch,rows<span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"<span style="color: #000099; font-weight: bold;">\n</span>攝氏轉華氏:<span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; tempr<span style="color: #66cc66;">&#40;</span>t<span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"<span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; system<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"PAUSE"</span><span style="color: #66cc66;">&#41;</span>;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> printGold<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">char</span> ch,<span style="color: #993333;">int</span> rows<span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> i,j,k;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">1</span>;i&lt;=rows;i++<span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#123;</span></div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>j=<span style="color: #cc66cc;color:#800000;">1</span>;j&lt;=rows-i;j++<span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">" "</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>k=<span style="color: #cc66cc;color:#800000;">1</span>;k&lt;=i*<span style="color: #cc66cc;color:#800000;">2</span>-<span style="color: #cc66cc;color:#800000;">1</span>;k++<span style="color: #66cc66;">&#41;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"%c"</span>,ch<span style="color: #66cc66;">&#41;</span>;&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"<span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp;<span style="color: #66cc66;">&#125;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> tempr<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> t<span style="color: #66cc66;">&#41;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">double</span> f;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; f = <span style="color: #66cc66;">&#40;</span><span style="color: #cc66cc;color:#800000;">9</span>.<span style="color: #cc66cc;color:#800000;">0</span> * t<span style="color: #66cc66;">&#41;</span> / <span style="color: #cc66cc;color:#800000;">5</span>.<span style="color: #cc66cc;color:#800000;">0</span> + <span style="color: #cc66cc;color:#800000;">32</span>.<span style="color: #cc66cc;color:#800000;">0</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"攝氏溫度: %d ==&gt; "</span>,t<span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"華氏溫度: %.2f<span style="color: #000099; font-weight: bold;">\n</span>"</span>,f<span style="color: #66cc66;">&#41;</span>; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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</ol>
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<div class="igBar"><span id="lc-20"><a href="#" onclick="javascript:showPlainTxt('c-20'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-20">
<div class="c">
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">/* 函數回傳值 */</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">int</span> buy<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span>,<span style="color: #993333;">int</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> num1,num2,sum;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; num1 = <span style="color: #cc66cc;color:#800000;">10</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; num2 = <span style="color: #cc66cc;color:#800000;">20</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; sum = buy<span style="color: #66cc66;">&#40;</span>num1,num2<span style="color: #66cc66;">&#41;</span>;&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #808080; font-style: italic;">//sum 等於 buy 的回傳，也就是 z 值 </span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"購買總額為%d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,sum<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; system<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"PAUSE"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">int</span> buy<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">int</span> x,<span style="color: #993333;">int</span> y<span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> z = x + y; <span style="color: #808080; font-style: italic;">//儲存 x 與 y 的運算結果 </span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"購買金額為%d元和%d元<span style="color: #000099; font-weight: bold;">\n</span>"</span>,x,y<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">return</span> z;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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<p></p>
]]></content:encoded>
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		<title>Hello World!! C_Language 來練功吧!!</title>
		<link>http://m955.com/wp/archives/95</link>
		<comments>http://m955.com/wp/archives/95#comments</comments>
		<pubDate>Sat, 08 Mar 2008 00:41:10 +0000</pubDate>
		<dc:creator>blue955</dc:creator>
				<category><![CDATA[程式]]></category>
		<category><![CDATA[C語言]]></category>

		<guid isPermaLink="false">http://m955.com/wp/archives/95</guid>
		<description><![CDATA[C語言這門課也接觸了一年多了，拉拉扎扎的也累積了幾千行經驗值，不過在一次在 PTT 的C板上看到了某一家公司的面試考試，3分鐘寫出，陣列反轉，應該不能使用函數，殘念，我竟然想了半小... ]]></description>
			<content:encoded><![CDATA[<p>C語言這門課也接觸了一年多了，拉拉扎扎的也累積了幾千行經驗值，不過在一次在 PTT 的C板上看到了某一家公司的面試考試，3分鐘寫出，陣列反轉，應該不能使用函數，殘念，我竟然想了半小時之餘，當下痛定思痛，繼續回家閉關練工吧！</p>
<p><span id="more-95"></span></p>
<div class="igBar"><span id="lc-22"><a href="#" onclick="javascript:showPlainTxt('c-22'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
<div id="c-22">
<div class="c">
<ol>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdlib.h&gt;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> showMsg<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">void</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> one2five<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">void</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; showMsg<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"<span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; one2five<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; system<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"PAUSE"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">//無回傳值型態</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">//在C裡有回傳值叫&quot;函數&quot; </span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">//無回傳值叫&quot;程序&quot; </span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">//在函數參數列裡若未指定資料型態</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #808080; font-style: italic;">//則預設會設定成 int </span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
</li>
<li style="font-weight: bold;color:#26536A;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> showMsg<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">void</span><span style="color: #66cc66;">&#41;</span></div>
</li>
<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"Hello World!!"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #993333;">void</span> one2five<span style="color: #66cc66;">&#40;</span><span style="color: #993333;">void</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> i;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> sum = <span style="color: #cc66cc;color:#800000;">0</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">1</span>;i&lt;=<span style="color: #cc66cc;color:#800000;">5</span>;i++<span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; sum += i;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"從1加到5的總合 = %d<span style="color: #000099; font-weight: bold;">\n</span>"</span>,sum<span style="color: #66cc66;">&#41;</span>;&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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		<title>[C] 亂數陣列產生器</title>
		<link>http://m955.com/wp/archives/72</link>
		<comments>http://m955.com/wp/archives/72#comments</comments>
		<pubDate>Mon, 17 Dec 2007 02:32:47 +0000</pubDate>
		<dc:creator>blue955</dc:creator>
				<category><![CDATA[程式]]></category>
		<category><![CDATA[C語言]]></category>

		<guid isPermaLink="false">http://m955.com/wp/archives/72</guid>
		<description><![CDATA[我是新手，在練習陣列時，常常需要在陣列裡打進很多的資料，這個小程式可以生成 N 個數字，然後亂數排列，以確保每個數字不重複，在練習陣列排序、搜尋，很好用。

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			<content:encoded><![CDATA[<p>我是新手，在練習陣列時，常常需要在陣列裡打進很多的資料，這個小程式可以生成 N 個數字，然後亂數排列，以確保每個數字不重複，在練習陣列排序、搜尋，很好用。</p>
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<div class="igBar"><span id="lc-24"><a href="#" onclick="javascript:showPlainTxt('c-24'); return false;">PLAIN TEXT</a></span></div>
<div class="syntax_hilite"><span class="langName">C:</span>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdio.h&gt;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;stdlib.h&gt;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #339933;">#include&lt;time.h&gt;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">main <span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> arrMAX;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> i,j,n;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #993333;">int</span> tmp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #b1b100;">do</span><span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"請輸入要產生的陣列元素數:"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; scanf<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"%d"</span>,&amp;arrMAX<span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #993333;">int</span> box<span style="color: #66cc66;">&#91;</span>arrMAX<span style="color: #66cc66;">&#93;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">0</span>;i&lt;arrMAX;i++<span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; box<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span> = i+<span style="color: #cc66cc;color:#800000;">1</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>j=<span style="color: #cc66cc;color:#800000;">0</span>;j&lt;<span style="color: #cc66cc;color:#800000;">1415</span>;j++<span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #66cc66;">&#123;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">0</span>;i&lt;arrMAX;i++<span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; <span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; srand<span style="color: #66cc66;">&#40;</span>time<span style="color: #66cc66;">&#40;</span><span style="color: #000000; font-weight: bold;">NULL</span><span style="color: #66cc66;">&#41;</span>+box<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; n = rand<span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#41;</span>%arrMAX;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; tmp = box<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; box<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span> = box<span style="color: #66cc66;">&#91;</span>n<span style="color: #66cc66;">&#93;</span>;</div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; box<span style="color: #66cc66;">&#91;</span>n<span style="color: #66cc66;">&#93;</span> = tmp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; <span style="color: #66cc66;">&#125;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #66cc66;">&#125;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #b1b100;">for</span><span style="color: #66cc66;">&#40;</span>i=<span style="color: #cc66cc;color:#800000;">0</span>;i&lt;arrMAX;i++<span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #66cc66;">&#123;</span></div>
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<li style="font-family: 'Courier New', Courier, monospace; color: black; font-weight: normal; font-style: normal;color:#3A6A8B;">
<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"%3d,"</span>,box<span style="color: #66cc66;">&#91;</span>i<span style="color: #66cc66;">&#93;</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; <span style="color: #b1b100;">if</span><span style="color: #66cc66;">&#40;</span><span style="color: #66cc66;">&#40;</span>i+<span style="color: #cc66cc;color:#800000;">1</span><span style="color: #66cc66;">&#41;</span>%<span style="color: #cc66cc;color:#800000;">6</span> == <span style="color: #cc66cc;color:#800000;">0</span><span style="color: #66cc66;">&#41;</span></div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; &nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"<span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <span style="color: #66cc66;">&#125;</span> </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; &nbsp; <a href="http://www.opengroup.org/onlinepubs/009695399/functions/printf.html" target="_blank"><span style="color: #000066;">printf</span></a><span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"<span style="color: #000099; font-weight: bold;">\n</span><span style="color: #000099; font-weight: bold;">\n</span>"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; <span style="color: #66cc66;">&#125;</span><span style="color: #b1b100;">while</span><span style="color: #66cc66;">&#40;</span>arrMAX != <span style="color: #cc66cc;color:#800000;">0</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; </div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;">&nbsp; system<span style="color: #66cc66;">&#40;</span><span style="color: #ff0000;">"PAUSE"</span><span style="color: #66cc66;">&#41;</span>;</div>
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<div style="font-family: 'Courier New', Courier, monospace; font-weight: normal;"><span style="color: #66cc66;">&#125;</span> </div>
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