Cod sursa(job #1329890)
Utilizator | Data | 29 ianuarie 2015 22:58:20 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.31 kb |
#include<fstream>
#include<iostream>
using namespace std;
int main ()
{int n,nr,x,y,a,b,i,j;
ifstream f("fractii.in");
ofstream g("fractii.out");
f>>n;
nr=0;
for (i=1;i<=n;i++)
{for (j=1;j<=n;j++)
x=i; y=j;
while (x!=y)
{if (x>y) x=x-y;
else y=y-x;}
if (x==1)
nr++;}}
g<<nr;
f.close ();
g.close ();
}