Cod sursa(job #935369)

Utilizator eugen97Zaulet Eugen eugen97 Data 3 aprilie 2013 09:11:11
Problema Ciurul lui Eratosthenes Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("ciur.in");
ofstream g("ciur.out");
int main()
{
    int i,j,n,k=0;;
 f>>n;
    for(i = 2; i<=n;++i)
    {for(j=2;j<=i/2;++j)
        {if(!(i%j))break;}
        if ( j > i / 2 ) k++;}
        g<<k;
        f.close();
        g.close();
    return 0;
}