Cod sursa(job #486385)

Utilizator paunmatei7FMI Paun Matei paunmatei7 Data 21 septembrie 2010 14:49:28
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.24 kb
Raporteaza aceasta sursa 
#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+n-1);
}