Cod sursa(job #232387)
Utilizator | deaconu ioan crysys | Data | 15 decembrie 2008 09:59:34 |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.37 kb |
#include<fstream.h>
int main()
{
ifstream f("fractii.in");
ofstream g("fractii.out");
int n,i,j,a,b,nr=0;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(j!=1)
{a=i;
b=j;
if(i!=j)
while(a!=b)
if(a>b) a-=b;
else
b-=a;
if(a==1)
nr++;
}
else
nr++;
g<<nr;
f.close();
g.close();
return 0;
}