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	<title>3N+1Problem/구자겸 - Revision history</title>
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	<updated>2026-05-14T22:21:44Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://mediawiki.zeropage.org/index.php?title=3N%2B1Problem/%EA%B5%AC%EC%9E%90%EA%B2%B8&amp;diff=26786&amp;oldid=prev</id>
		<title>imported&gt;Unknown at 05:22, 7 February 2021</title>
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		<updated>2021-02-07T05:22:16Z</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; #include &amp;amp;lt;stdio.h&amp;amp;gt;&lt;br /&gt;
 int cycle_length(int n);			// cycle_length를 구하는 함수&lt;br /&gt;
 void main()&lt;br /&gt;
 {&lt;br /&gt;
 	int i_num, j_num;				// 입력되는 두 정수&lt;br /&gt;
 	int max = 0;					// 최대값을 0으로 잡는다&lt;br /&gt;
 	scanf(&amp;quot;%d %d&amp;quot;, &amp;amp;amp;i_num, &amp;amp;amp;j_num);	// 두 정수를 받는다&lt;br /&gt;
 	for ( ;i_num&amp;amp;lt;j_num;i_num++ )	// 두 정수 사이의 정수의 cycle_length값중에&lt;br /&gt;
 									// 최대값을 구한다&lt;br /&gt;
 		max = max&amp;amp;lt;cycle_length(i_num)?cycle_length(i_num):max;&lt;br /&gt;
 	printf(&amp;quot;%d\n&amp;quot;, max);			// 최대값 출력&lt;br /&gt;
 }&lt;br /&gt;
 &lt;br /&gt;
 int cycle_length(int n)&lt;br /&gt;
 {&lt;br /&gt;
 	int count = 1;					// 카운터&lt;br /&gt;
 	while ( n!=1 ) {&lt;br /&gt;
 		if ( n%2!=0 )&lt;br /&gt;
 			n = n*3+1;&lt;br /&gt;
 		else n /= 2;&lt;br /&gt;
 		count++;&lt;br /&gt;
 	}&lt;br /&gt;
 	return count;&lt;br /&gt;
 }&lt;br /&gt;
----&lt;br /&gt;
[[3N+1Problem]]&lt;br /&gt;
&lt;/div&gt;</summary>
		<author><name>imported&gt;Unknown</name></author>
	</entry>
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