Cod sursa(job #535341)

Utilizator nosurrender99Bura Bogdan nosurrender99 Data 17 februarie 2011 08:34:08
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.25 kb
Raporteaza aceasta sursa 
#include "fstream"
using namespace std;
fstream f("fractii.in", ios::in), g("fractii.out", ios::out);

int main()
{
	long n,i,j; int t=0;
	f>>n;
	for (i=2; i<=n; i++)
		for (j=2; j<=n; j++)
			if (i%j!=0 && j%i!=0)
				t++;
	t+= 2*n-1;
	g<<t;
}