Cod sursa(job #396786)

Utilizator milijrCristian Militaru milijr Data 15 februarie 2010 21:13:55
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
//http://infoarena.ro/problema/fractii
#include<fstream>
using namespace std;
int cmmdc(int a, int b)
{
int r;
while(b!=0)
{
r=a%b;
a=b;
b=r;
}
return a;
}
int main()
{
int i,a,b,n,j,k=0;
ifstream fin("fractii.in");
ofstream fout("fractii.out");
fin>>n;
for(i=1;i<=n;i++)
	for(j=1;j<=n;j++)
		if(cmmdc(i,j)==1)
			k++;
fout<<k;
}