Cod sursa(job #1005366)

Utilizator smatei16Matei Staicu smatei16 Data 4 octombrie 2013 21:31:39
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");
int n,i,j,nr,x,y,r;
int main()
{f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j){
x=i;
y=j;
r=x%y;
while(r!=0){
x=y;
y=r;
r=x%y;
}
if(y==1)nr++;
}
g<<nr+1;

    return 0;
}