Cod sursa(job #486384)
Utilizator | Data | 21 septembrie 2010 14:46:54 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.24 kb |
#include<stdio.h>
long n,i,j,r,k;
int main()
{
freopen("fractii.in","r",stdin);
freopen("fractii.out","w",stdout);
scanf("%ld",&n);
for (i=2;i<=n;i++)
for (j=2;j<=n;j++)
if (j%i==0||i%j==0)
r++;
printf("%ld",n*n-r);
}