Cod sursa(job #372128)
Utilizator | Data | 8 decembrie 2009 21:45:54 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.3 kb |
#include "fstream.h"
ifstream f("fractii.in");
ofstream g("fractii.out");
int main()
{long int n,a,b,x,y;
int r,nrf=0;
f>>n;
f.close();
for(a=1;a<=n;a++)
for(b=1;b<=n;b++)
{x=a;
y=b;
while(y!=0)
{
r=x%y;
x=y;
y=r;
}
if(x==1)nrf++;
}
g<<nrf;
g.close();
}