Cod sursa(job #1728338)

Utilizator welikeitVasile Bogdan welikeit Data 12 iulie 2016 18:59:54
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

using namespace std;

ifstream f("fractii.in");
ofstream g("fractii.out");

int main(){

int n,i,j,nr=0;

f>>n;

nr=2*n-1;

for(i=2;i<=n;i++)
    for(j=i+1;j<=n;j++)
      if(i%j!=0 && j%i!=0)
        nr=nr+2;

g<<nr;


return 0;
}