Cod sursa(job #171943)
Utilizator | Blowfish Ion blowfishme | Data | 5 aprilie 2008 14:08:18 |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.37 kb |
#include <fstream.h>
int euclid(int a, int b)
{
int c;
while (b) {
c = a % b;
a = b;
b = c;
}
return a;
}
int main(){
int c=0,n,i,j;
ifstream f("fractii.in");
f>>n;
f.close();
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(euclid(i,j)==1) c++;
ofstream g("fractii.out");
g<<c<<endl;
//int a,b;cin>>a>>b;cout<<euclid(a,b);
}