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joinc´Â Firefox¿Í chrome¿¡¼ Å×½ºÆ® Çß½À´Ï´Ù. IE¿¡¼´Â Å×À̺íÀÌ ±úÁö°Å³ª À̹ÌÁö°¡ º¸ÀÌÁö ¾ÊÀ» ¼ö ÀÖ½À´Ï´Ù. ƯÈ÷ ±¸±Û DocsÀ̹ÌÁöÀÇ °æ¿ì ¿¢¹Úó¸®µÉ ¼ö ÀÖ½À´Ï´Ù.
/*** À̸§ ±úÁ³´Ù. DCÇÁ°¶::µð- ***/
// fastprime.cpp : Defines the entry point for the console application. //
#include <stdio.h>
#include <stdlib.h> #include <math.h> #include <list> #include <windows.h>
using namespace std;
int __cdecl main(int argc, char* argv[])
{
__int64 freq,pt,t;
}QueryPerformanceFrequency((LARGE_INTEGER*)&freq); QueryPerformanceCounter((LARGE_INTEGER*)&pt); list<int> primelist; // ¹ß°ßµÈ ¼Ò¼ö¸¦ ÀúÀå primelist.push_back(2); int end=atoi(argv[1]),lim; bool prime; list<int>::iterator it; for(int lp=3;lp<=end;lp+=2) {
lim=(int)sqrt(lp+1);
}prime=true; int temp; for(it=primelist.begin();it!=primelist.end() && (temp=*it)<=lim;it++) // ¹ß°ßµÈ ¼Ò¼ö Áß sqrt(lp)º¸´Ù ÀÛÀº °É·Î¸¸ ³ª´²º»´Ù {
if(lp%temp==0) // ³ª´²Áö¸é ¼Ò¼ö°¡ ¾Æ´ÏÁö
}{
prime=false;
}break; if(lp%100000==1) printf("#"); if(!prime) continue; primelist.push_back(lp); printf("\n"); QueryPerformanceCounter((LARGE_INTEGER*)&t); printf("operation time : %.3f ms\n",(t-pt)/(freq/1000.0f)); for(it=primelist.begin();it!=primelist.end();it++) {
printf("%d ",*it);
}return 0; |
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