Cod sursa(job #405766)

Utilizator DavideVitelaruDavide Vitelaru DavideVitelaru Data 28 februarie 2010 18:45:08
Problema Fractii Scor 0
Compilator cpp Status done
Runda pregatire_oji Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream.h>

int n,i,j,nr=0;

int main() {
	ifstream fin("fractii.in");
	ofstream fout("fractii.out");
	
	fin>>n;
	nr=n+n-1;
	for (i=2; i<=n; i++) 
		for (j=2; j<=n; j++) {
			if (i%j!=0 && j%i!=0)
					nr++;
		}
	
	fout<<nr;
	
	fin.close();
	fout.close();
	return 0;
}