Cod sursa(job #1115207)

Utilizator k0k0ss135Condorache Gabriel k0k0ss135 Data 21 februarie 2014 20:29:15
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");
int n,k,i,j,r,a,b;
int main()
{   f>>n;
k=n+n-1;
for (i=2;i<=n;i++)
{
    for(j=2;j<=n;j++)
        {a=i;b=j;
        while (b)
            r=a%b,a=b,b=r;
        if (a==1) k++;

}
}
    g<<k;
    return 0;
}