Cod sursa(job #91538)

Utilizator sbfciucaciuca stefan bogdan florin sbfciuca Data 12 octombrie 2007 18:49:00
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
#include <stdio.h>
int cmmdc(int a,int b)
{
	if((a!=1)&&(b!=1)&&(a%b)&&(b%a)&&(a!=b)) return 1;
	else return 0;
}
int main() {
	freopen("fractii.in" , "r" , stdin);
	freopen("fractii.out", "w", stdout);
	int n,i,j,s=0;
	scanf("%d" , &n);
	for (i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			 if(cmmdc(i,j)) s++;
	s=s+2*n-1;
printf("%d", s);
}