Cod sursa(job #875787)
Utilizator | Data | 10 februarie 2013 19:52:50 | |
---|---|---|---|
Problema | Ciurul lui Eratosthenes | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.26 kb |
#include<fstream>
using namespace std;
main(){
ifstream f1("ciur.in");
int n,d,s=0,nr=0,i,j;
f1>>n;
for(i=2;i<n;i++){
for(j=1;j<=i;j++)
{
d=i%j;
if(d==0)
s++;
}
if (s==2)
nr++;
s=0;
}
ofstream f2("ciur.out");
f2<<nr;
}