Cod sursa(job #679235)
| Utilizator |  Dinu Radu RaduGabriel2012 |
Data | 12 februarie 2012 22:08:29 |
|---|---|---|---|
| Problema | Fractii | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<stdio.h>
int main()
{int i,j,s,n,a,b;
FILE *f,*g;
f=fopen("fractii.in","r");
g=fopen("fractii.out","w");
fscanf(f,"%d",&n);
s=0;
for (i=1;i<=n;i++)
{
for (j=1;j<=n;j++)
{
if (i!=j)
{
a=i;
b=j;
while (a!=b) if (a>b) a=a-b; else b=b-a;
if (a==1) s++;
}
}
}
fprintf(g,"%d",s);
fclose(g);
return 0;
}