Cod sursa(job #2093449)

Utilizator Sebi01Who This Sebi01 Data 23 decembrie 2017 18:25:36
Problema Ciurul lui Eratosthenes Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("ciur.in");
ofstream g("ciur.out");

int main()
{  int n,i,d,k=0;
    f>>n;

    for(i=2;i<=n;i++)
    { int pp=1;

        for(d=2;d<=i/2;d++)
        {

            if(i%d==0){pp=0;break;}
        }
        if(pp==1)k++;

    } g<<k;
}