Cod sursa(job #394456)
| Utilizator | Data | 10 februarie 2010 22:50:14 | |
|---|---|---|---|
| Problema | Fractii | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.24 kb |
#include<fstream.h>
int main(){
ifstream fin("fractii.in");
ofstream fout("fractii.out");
long n,p,q,t=0;
fin>>n;
for(p=1;p<=n;p++){
for(q=1;q<=n;q++)
while(p!=q){if(p>q)p=p-q;
else q=q-p;}
if(p==1)t++;}
fout<<t;
return 0;
}