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	<title>UglyNumbers/곽세환 - Revision history</title>
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	<updated>2026-05-15T03:35:38Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://mediawiki.zeropage.org/index.php?title=UglyNumbers/%EA%B3%BD%EC%84%B8%ED%99%98&amp;diff=39921&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;== 소감 2 ==&lt;br /&gt;
통과O&lt;br /&gt;
* 숫자 하나하나를 일일이 나눠보는건 시간이 많이 걸린다. 그래서 다른 방식으로 접근.&lt;br /&gt;
* STL사용하니 한결 간편하다&lt;br /&gt;
* 답은 &amp;#039;&amp;#039;The 1500&amp;#039;th ugly number is &amp;lt;숫자&amp;gt;.&amp;#039;&amp;#039; 형식이어야 한다.&lt;br /&gt;
&lt;br /&gt;
== 소스 2 ==&lt;br /&gt;
 //136&lt;br /&gt;
 #include &amp;amp;lt;iostream&amp;amp;gt;&lt;br /&gt;
 #include &amp;amp;lt;list&amp;amp;gt;&lt;br /&gt;
 using namespace std;&lt;br /&gt;
 &lt;br /&gt;
 void main()&lt;br /&gt;
 {&lt;br /&gt;
 	int cnt = 1500;&lt;br /&gt;
 	list&amp;amp;lt;unsigned int&amp;amp;gt; numbers;&lt;br /&gt;
 	numbers.push_back(1);&lt;br /&gt;
 	unsigned int temp;&lt;br /&gt;
 &lt;br /&gt;
 	while (cnt)&lt;br /&gt;
 	{&lt;br /&gt;
 		temp = numbers.front();&lt;br /&gt;
 		numbers.pop_front();&lt;br /&gt;
 		cnt--;&lt;br /&gt;
 		numbers.push_back(temp * 2);&lt;br /&gt;
 		numbers.push_back(temp * 3);&lt;br /&gt;
 		numbers.push_back(temp * 5);&lt;br /&gt;
 		numbers.sort();&lt;br /&gt;
 		numbers.unique();&lt;br /&gt;
 	}&lt;br /&gt;
 &lt;br /&gt;
 	cout &amp;amp;lt;&amp;amp;lt; &amp;quot;The 1500&amp;#039;th ugly number is &amp;quot; &amp;amp;lt;&amp;amp;lt; temp &amp;amp;lt;&amp;amp;lt; &amp;quot;.&amp;quot; &amp;amp;lt;&amp;amp;lt; endl;&lt;br /&gt;
 }&lt;br /&gt;
== 소감 1 ==&lt;br /&gt;
&lt;br /&gt;
통과X&lt;br /&gt;
1500번째 구하는데 2분정도 걸린다 ㅡ.ㅡ&lt;br /&gt;
생각보다 오래걸리는 이유가 뭐지...&lt;br /&gt;
&lt;br /&gt;
== 소스 1 ==&lt;br /&gt;
 #include &amp;amp;lt;iostream&amp;amp;gt;&lt;br /&gt;
 using namespace std;&lt;br /&gt;
 &lt;br /&gt;
 void main()&lt;br /&gt;
 {&lt;br /&gt;
 	int cnt;&lt;br /&gt;
 	cin &amp;amp;gt;&amp;amp;gt; cnt;&lt;br /&gt;
 	&lt;br /&gt;
 	int num = 1, temp;&lt;br /&gt;
 	cnt--;&lt;br /&gt;
 &lt;br /&gt;
 	while (cnt)&lt;br /&gt;
 	{&lt;br /&gt;
 		num++;&lt;br /&gt;
 &lt;br /&gt;
 		temp = num;&lt;br /&gt;
 		while (temp % 2 == 0)&lt;br /&gt;
 			temp = temp / 2;&lt;br /&gt;
 		while (temp % 3 == 0)&lt;br /&gt;
 			temp = temp / 3;&lt;br /&gt;
 		while (temp % 5 == 0)&lt;br /&gt;
 			temp = temp / 5;&lt;br /&gt;
 		&lt;br /&gt;
 		if (temp == 1)&lt;br /&gt;
 			cnt--;&lt;br /&gt;
 	}&lt;br /&gt;
 &lt;br /&gt;
 	cout &amp;amp;lt;&amp;amp;lt; num &amp;amp;lt;&amp;amp;lt; endl;&lt;br /&gt;
 }&lt;br /&gt;
== 댓글 ==&lt;br /&gt;
----&lt;br /&gt;
[[UglyNumbers]]&lt;br /&gt;
&lt;/div&gt;</summary>
		<author><name>imported&gt;Unknown</name></author>
	</entry>
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