Cod sursa(job #1727663)

Utilizator patcasrarespatcas rares danut patcasrares Data 11 iulie 2016 14:14:12
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.36 kb
#include<fstream>
using namespace std;
ifstream fin("fractii.in");
ofstream fout("fractii.out");
int nr,i,j,x[1000000],h;

int main()
{
long n;
fin>>n;nr=n;
for(i=2;i<=n;i++){
        for(h=1;h<=n;h++)
        x[h]=0;
for(j=2;j<=i;j++)
if(i%j==0)
{
    for(h=1;h<=n/j;h++)
x[j*h]=1;

}for(h=1;h<=n;h++)
    if(!x[h])
    nr++;}
fout<<nr;
}