Cod sursa(job #405275)

Utilizator milijrCristian Militaru milijr Data 27 februarie 2010 20:39:06
Problema Fractii Scor 10
Compilator cpp Status done
Runda pregatire_oji Marime 0.36 kb
Raporteaza aceasta sursa 
#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 n,i,j,nr=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)
				nr++;
	fout<<nr;
	fin.close();
	fout.close();
}