Cod sursa(job #508600)
| Utilizator |  Dobrescu Denis Mircea Cosmin Dennis95 |
Data | 8 decembrie 2010 22:49:26 |
|---|---|---|---|
| Problema | Fractii | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.3 kb |
#include<fstream.h>
int main()
{
long int n,i,j,s,a,b;
ifstream f("fractii.in");
f>>n;
s=0;
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
a=i;
b=j;
while(a!=b){
if(a>=b){a=a-b;}
else{b=b-a;}
}
if(a==1){s++;}
}
}
f.close();
ofstream g("fractii.out");
g<<s;
g.close();
return 0;
}