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	<title>MultiplyingByRotation/문보창 - Revision history</title>
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	<updated>2026-05-15T01:38:33Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://mediawiki.zeropage.org/index.php?title=MultiplyingByRotation/%EB%AC%B8%EB%B3%B4%EC%B0%BD&amp;diff=34740&amp;oldid=prev</id>
		<title>imported&gt;Unknown at 05:23, 7 February 2021</title>
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		<updated>2021-02-07T05:23:49Z</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;==== 소감 ====&lt;br /&gt;
2005/03/05 Accepted 0:00.074 64 &lt;br /&gt;
1학년 때 풀어서 틀렸었던 문제를 다시 풀어보았다. 일단 이동곱셈의 규칙성을 연습장에 끄적이는 도중 쉽게 발견할 수 있었고, 간단히 사칙연산으로 구현할 수 있었다. 마지막 자리숫자가 0일 경우의 예외처리를 해 준 후 바로 통과.&lt;br /&gt;
&lt;br /&gt;
==== 코드 ====&lt;br /&gt;
 // no550 - Multiplying by Rotation&lt;br /&gt;
 #include &amp;amp;lt;iostream&amp;amp;gt;&lt;br /&gt;
 using namespace std;&lt;br /&gt;
 &lt;br /&gt;
 int main()&lt;br /&gt;
 {&lt;br /&gt;
 	int base, lsd, factor;			// 진수, 마지막자리수, 곱셈수&lt;br /&gt;
 	int carryIn, carryOut;&lt;br /&gt;
 	int temp;&lt;br /&gt;
 	int nDigit;&lt;br /&gt;
 	while (cin &amp;amp;gt;&amp;amp;gt; base &amp;amp;gt;&amp;amp;gt; lsd &amp;amp;gt;&amp;amp;gt; factor)&lt;br /&gt;
 	{&lt;br /&gt;
 		if (lsd == 0)&lt;br /&gt;
 		{&lt;br /&gt;
 			cout &amp;amp;lt;&amp;amp;lt; &amp;quot;1\n&amp;quot;;&lt;br /&gt;
 			continue;&lt;br /&gt;
 		}&lt;br /&gt;
 		temp = lsd;&lt;br /&gt;
 		carryIn = (temp * factor) / base;&lt;br /&gt;
 		temp = (temp * factor) % base;&lt;br /&gt;
 		nDigit = 2;&lt;br /&gt;
 		while (true)&lt;br /&gt;
 		{&lt;br /&gt;
 			carryOut = (temp * factor + carryIn) / base;&lt;br /&gt;
 			temp = (temp * factor + carryIn) % base;&lt;br /&gt;
 			if (carryOut == 0 &amp;amp;amp;&amp;amp;amp; temp == lsd)&lt;br /&gt;
 			{&lt;br /&gt;
 				cout &amp;amp;lt;&amp;amp;lt; nDigit &amp;amp;lt;&amp;amp;lt; endl;&lt;br /&gt;
 				break;&lt;br /&gt;
 			}&lt;br /&gt;
 			nDigit++;&lt;br /&gt;
 			carryIn = carryOut;&lt;br /&gt;
 		}&lt;br /&gt;
 	}&lt;br /&gt;
 	return 0;&lt;br /&gt;
 }&lt;br /&gt;
----&lt;br /&gt;
[[MultiplyingByRotation]] [[문보창]]&lt;br /&gt;
&lt;/div&gt;</summary>
		<author><name>imported&gt;Unknown</name></author>
	</entry>
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