Cod sursa(job #648538)

Utilizator FernandoSandoiu Fernando Fernando Data 13 decembrie 2011 17:43:19
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
int main()
{long i,j,N,p;
ifstream f("fractii.in");
ofstream h("fractii.out");
f>>N;p=2*N-1;
for(i=2;i<=N;i++)
	for(j=2;j<=N;j++)
    { if (i>=j)
   if (i%j!=0)
      p=p+1;
   if (j>i)
     if(j%i!=0)
        p=p+1;}
h<<p<<endl;
f.close();
h.close();
return 0;
}