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	<title>UglyNumbers/구자겸 - Revision history</title>
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	<updated>2026-05-15T03:12:41Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://mediawiki.zeropage.org/index.php?title=UglyNumbers/%EA%B5%AC%EC%9E%90%EA%B2%B8&amp;diff=39922&amp;oldid=prev</id>
		<title>imported&gt;Unknown at 05:28, 7 February 2021</title>
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		<updated>2021-02-07T05:28:19Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Unum.c ==&lt;br /&gt;
 #include &amp;amp;lt;stdio.h&amp;amp;gt;&lt;br /&gt;
 int unum(int num);	// 심술쟁이수인지 검사한다&lt;br /&gt;
 void main()&lt;br /&gt;
 {&lt;br /&gt;
 	int i,j;			// 카운터&lt;br /&gt;
 	int uarr[2000] = {0,};	// 심술쟁이 수들의 배열&lt;br /&gt;
 	int ind;			// 알고 싶은 인덱스&lt;br /&gt;
 &lt;br /&gt;
 	uarr[0] = 1;&lt;br /&gt;
 &lt;br /&gt;
 	scanf(&amp;quot;%d&amp;quot;, &amp;amp;amp;ind);		// 알고 싶은 심술쟁이 수를 얻는다&lt;br /&gt;
 &lt;br /&gt;
 	for ( i=1,j=1;j&amp;amp;lt;=(ind-1);i++ ) {&lt;br /&gt;
 		if ( !unum(i) ) {&lt;br /&gt;
 			uarr[j++] = i;&lt;br /&gt;
 		}&lt;br /&gt;
 	}&lt;br /&gt;
 &lt;br /&gt;
 	printf(&amp;quot;%d 번째 수는 %d이다\n&amp;quot;,ind,uarr[ind-1]);&lt;br /&gt;
 &lt;br /&gt;
 }&lt;br /&gt;
 &lt;br /&gt;
 int unum(int num)&lt;br /&gt;
 {&lt;br /&gt;
 	if ( num==3 || num==2 || num==5 )&lt;br /&gt;
 		return 0;&lt;br /&gt;
 	if ( num%2==0 )&lt;br /&gt;
 		return unum(num/2);&lt;br /&gt;
 	else if ( num%3==0 )&lt;br /&gt;
 		return unum(num/3);&lt;br /&gt;
 	else if ( num%5==0 )&lt;br /&gt;
 		return unum(num/5);&lt;br /&gt;
 	else&lt;br /&gt;
 		return 1;&lt;br /&gt;
 }&lt;br /&gt;
딱 3분 걸린다. 경고음 붙여서 라면 먹을때 이용하면 좋겠다.&lt;br /&gt;
----&lt;br /&gt;
[[UglyNumbers]]&lt;br /&gt;
&lt;/div&gt;</summary>
		<author><name>imported&gt;Unknown</name></author>
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