Cod sursa(job #8012)

Utilizator pustiuRadu Zaharia pustiu Data 23 ianuarie 2007 16:52:48
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.26 kb
Raporteaza aceasta sursa 
#include<fstream.h>

int main ()
{
	long N;
	ifstream f("fractii.in");
	ofstream g("fractii.out");
	f>>N;
	long nr=(N-1)*2+1;
	f.close ();
	for (long i=1;i<N;i++)
		for(long j=i+1;j<=N;j++)
			if(j%i!=0)
				nr+=2;
	g<<nr;
	g.close ();
	return 0;
}