Cod sursa(job #830623)

Utilizator claudiu.iulian3Claudiu Oprea claudiu.iulian3 Data 7 decembrie 2012 11:44:24
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include<fstream>

using namespace std;

int cmmdc(int a, int b)
{
	int r;
	r=a%b;
	while(r)
	{
		a=b;
		b=r;
		r=a%b;
	}
	return b;
}

int main()
{
	int n, i, j, k=0;
	ifstream in("fractii.in");
	in>>n;
	for(i=2; i<=n; i++)
		for(j=1; j<=n; j++)
			if(cmmdc(i,j)==1)
				k++;
	ofstream out("fractii.out");
	out<<k+n;
	return 0;
}