Cod sursa(job #1478276)

Utilizator felix_vsGherasim Felix felix_vs Data 28 august 2015 12:51:49
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>
using  namespace std;
ifstream in("fractii.in");
ofstream out("fractii.out");
long N,i,x,nr;
long eratostene() {
 long nr;
 nr=N;
 for(x=2; x*i<N; x++)
  nr--;
 return nr;
}
int main() {
 in>>N;
 nr=0;
 for(i=2;i<=N;i++)
  nr+=eratostene();
 out<<nr;
 return 0;
}