Cod sursa(job #1184319)

Utilizator mihai17militaru mihai mihai17 Data 12 mai 2014 10:02:53
Problema Ciurul lui Eratosthenes Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

using namespace std;
ifstream f("ciur.in");
ofstream g("ciur.out");
int main()
{long int n,i,k=0,j,nrd;
f>>n;
for(i=2;i<=n;i++)
    {nrd=1;
       for(j=1;j<=i/2;j++)
        if(i%j==0)
          nrd++;
    if(nrd==2)
    k++;
   }
g<<k;
    return 0;
}