Cod sursa(job #1561922)

Utilizator PeachjamDezso Noemi Peachjam Data 4 ianuarie 2016 18:00:25
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.5 kb
#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    int n,i,j,r,k=0,a,b;
    ifstream f("fractii.in");
    ofstream g("fractii.out");
    f>>n;
    f.close();
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            a=i; b=j;
            while(b)
            {
                r=a%b;
                a=b;
                b=r;
            }
            if(a==1)
                k++;
        }
    g<<k<<endl;
    g.close();
    return 0;
}