Cod sursa(job #60869)

Utilizator dan_10Dan Alexandru dan_10 Data 17 mai 2007 10:42:11
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.27 kb
Raporteaza aceasta sursa 
#include<fstream.h>
#include<math.h>

int a,b,c,i,n,j;

int main ()
{	ifstream f("fractii.in");
	ofstream g("fractii.out");
	f>>n;

	c=pow(n,2) ;


	for(i=2;i<=n;i++)
	for(j=2;j<=n;j++)
	for(a=2;a<=n;a++)
		if(i%a==0 && j%a==0)  c--;

	g<<c;
	return 0;

}