Cod sursa(job #415585)

Utilizator valentina506Moraru Valentina valentina506 Data 11 martie 2010 16:03:35
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
#include<fstream>
using namespace std;
int n,i,j,nr;
int cmmdc(int a, int b)
{
	int r;
	r=a%b;
	while(r)
	{
		a=b;
		b=r;
		r=a%b;
	}
	return b;
}
int main()
{
	ifstream f("fractii.in");
	ofstream g("fractii.out");
	f>>n;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			if(cmmdc(i,j)==1)
	        nr++;
			g<<nr;
			return 0;
}