Cod sursa(job #157699)

Utilizator m3rikPaul Urziceanu m3rik Data 13 martie 2008 10:59:30
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream.h>

int euclid(int a,int b)
{
	int tmp;
	while(b!=0)
	{
		tmp=a%b;
		a=b;
		b=tmp;

	}
	return a;
}

int main()
{
	int n,i,j,contor=0;

	ifstream fin("fractii.in");
	ofstream fout("fractii.out");
	fin>>n;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
			if(euclid(i,j)==1)contor++;
	fout<<contor;
	return 0;
}