Cod sursa(job #492594)

Utilizator cosminvdpruna stefan cosminvd Data 15 octombrie 2010 10:18:15
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int r;
long cmmdc(long a,long b)
{
	while(b)
	{
		r=a%b;
		a=b;
		b=r;
	}
	return a;
}
long n,i,nr,j;      
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;
}