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소수구하기/영록 - Revision history
2026-05-15T16:37:35Z
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imported>Unknown at 05:30, 7 February 2021
2021-02-07T05:30:13Z
<p></p>
<p><b>New page</b></p><div>1 부터 50000까지 소수 구하기..<br />
#include &lt;iostream&gt; <br />
using namespace std; <br />
#include &lt;ctime&gt; <br />
<br />
void main() <br />
{ <br />
clock_t start = clock(); <br />
int counter = 0; <br />
for(int i = 1; i &lt;= 50000; i++) <br />
{ <br />
counter=0; <br />
for (int j = 1; j &lt;= i; j++) <br />
{ <br />
if(i%j == 0) <br />
counter++; <br />
} <br />
if (counter == 2) <br />
cout &lt;&lt; i &lt;&lt; "\n"; <br />
} <br />
clock_t end = clock() - start; <br />
cout &lt;&lt; (double)end/CLOCKS_PER_SEC &lt;&lt; "초\n"; <br />
<br />
} 68.77 초라니........ 절망........ <br />
<br />
영동이의 도움으로 겨우겨우 짤수 있었다는..... ㅠ_ㅠ<br />
<br />
-_-;; 시간은 못 줄이겠고.... 암튼. 엄청느리게 출력되는 허접한 소스.. -_-;<br />
</div>
imported>Unknown