Cod sursa(job #1954944)

Utilizator Naninani1Stamatoiu Dominic Naninani1 Data 5 aprilie 2017 19:00:22
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 in("ciur.in");
ofstream out("ciur.out");
int main()
{int N,i,cnt=0,cnt1=0,d;
in>>N;
for(i=2;i<=N;i++)
{cnt1=0;
    for(d=1;d<=i;d++)
    {
        if(i%d==0)
        cnt1++;
    }
    if(cnt1==2)
    cnt++;
}
   out<<cnt;
    return 0;
}