Cod sursa(job #744420)

Utilizator Kira96Denis Mita Kira96 Data 8 mai 2012 17:53:12
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.36 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int nr,i,j,n;
int cmmdc (int a,int b)
{
	int r;
	while(b!=0)
	{
		r=a%b;
		a=b;
		b=r;
	}
	return a;
}
int main ()
{
	freopen("fractii.in","r",stdin);
	freopen("fractii.out","w",stdout);
	scanf("%d",&n);
	for(i=1;i<=n;++i)
	{
		for(j=1;j<=i;++j)
		{
			if(cmmdc(i,j)==1)
				nr++;
		}
	}
	printf("%d",nr);
	return 0;
}