Cod sursa(job #394575)
| Utilizator | Data | 11 februarie 2010 09:49:02 | |
|---|---|---|---|
| Problema | Fractii | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.24 kb |
#include<ifstream.h>
int main(){
ifstream fin("fractii.in");
ofstream fout("fractii.out");
long n,p,q,a,b,t=0;
fin>>n;
for(p=1;p<=n;p++)
for(q=1;q<=n;q++){
a=p;
b=q;
while(b){r=a%b;
a=b;
b=r;}
if(a==1)t++;}
fout<<t;
}