产生随机的排列:代码,C代码库,德仔网

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【C】产生随机的排列:
作者:Dezai.CN / 发布于2011/7/8/ 520
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<div><span style="color: #000000">#include </span><span style="color: #000000"><</span><span style="color: #000000">stdio.h</span><span style="color: #000000">></span><span style="color: #000000">
#include </span><span style="color: #000000"><</span><span style="color: #0000ff">string</span><span style="color: #000000">.h</span><span style="color: #000000">></span><span style="color: #000000">

</span><span style="color: #0000ff">int</span><span style="color: #000000"> main()
{
 </span><span style="color: #0000ff">int</span><span style="color: #000000"> m, n;
 </span><span style="color: #0000ff">int</span><span style="color: #000000"> k </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #800080">0</span><span style="color: #000000">;
 </span><span style="color: #0000ff">int</span><span style="color: #000000"> ticket[</span><span style="color: #800080">10001</span><span style="color: #000000">];
 </span><span style="color: #0000ff">while</span><span style="color: #000000"> (scanf(</span><span style="color: #800000">"</span><span style="color: #800000">%d %d</span><span style="color: #800000">"</span><span style="color: #000000">, </span><span style="color: #000000">&</span><span style="color: #000000">m, </span><span style="color: #000000">&</span><span style="color: #000000">n))
 {
 </span><span style="color: #0000ff">int</span><span style="color: #000000"> i </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #800080">1</span><span style="color: #000000">;
 </span><span style="color: #0000ff">if</span><span style="color: #000000"> (</span><span style="color: #000000">!</span><span style="color: #000000">m </span><span style="color: #000000">&&</span><span style="color: #000000"> </span><span style="color: #000000">!</span><span style="color: #000000">n)
 {
 </span><span style="color: #0000ff">break</span><span style="color: #000000">;
 }
 memset(ticket, </span><span style="color: #800080">0</span><span style="color: #000000">, </span><span style="color: #0000ff">sizeof</span><span style="color: #000000">(ticket));
 </span><span style="color: #0000ff">int</span><span style="color: #000000"> tmp;
 </span><span style="color: #0000ff">for</span><span style="color: #000000"> (i </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #800080">1</span><span style="color: #000000">; i </span><span style="color: #000000"><=</span><span style="color: #000000"> n; i</span><span style="color: #000000">++</span><span style="color: #000000">)
 {
 scanf(</span><span style="color: #800000">"</span><span style="color: #800000">%d</span><span style="color: #800000">"</span><span style="color: #000000">, </span><span style="color: #000000">&</span><span style="color: #000000">tmp);
 ticket[tmp]</span><span style="color: #000000">++</span><span style="color: #000000">;
 }
 </span><span style="color: #0000ff">for</span><span style="color: #000000"> (i </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #800080">1</span><span style="color: #000000">; i </span><span style="color: #000000"><=</span><span style="color: #000000"> m; i</span><span style="color: #000000">++</span><span style="color: #000000">)
 {
 </span><span style="color: #0000ff">if</span><span style="color: #000000"> (ticket[i] </span><span style="color: #000000">></span><span style="color: #000000"> </span><span style="color: #800080">1</span><span style="color: #000000">)
 {
 k</span><span style="color: #000000">++</span><span style="color: #000000">;
 }
 }
 printf(</span><span style="color: #800000">"</span><span style="color: #800000">%d\n</span><span style="color: #800000">"</span><span style="color: #000000">, k);
 }
 </span><span style="color: #0000ff">return</span><span style="color: #000000"> </span><span style="color: #800080">0</span><span style="color: #000000">;
}</span></div>
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