1 부 50000 ..
~cpp
#include <iostream>
using namespace std;
#include <ctime>
void main()
{
clock_t start = clock();
int counter = 0;
for(int i = 1; i <= 50000; i++)
{
counter=0;
for (int j = 1; j <= i; j++)
{
if(i%j == 0)
counter++;
}
if (counter == 2)
cout << i << "\n";
}
clock_t end = clock() - start;
cout << (double)end/CLOCKS_PER_SEC << "\n";
} 68.77 ........ ........
동 는..... _
-_-;; 못 .... . 느리 는 .. -_-;
