Cod sursa(job #327885)

Utilizator cosmyoPaunel Cosmin cosmyo Data 30 iunie 2009 15:33:54
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.2 kb
Raporteaza aceasta sursa 
#include<fstream.h>
long n,i,s=n;
int main()
{ifstream fin("fractii.in");
  fin>>n;
 fin.close();
 ofstream fout("fractii.out");
 for(i=2;i<=n;i++)
  s+=n-2*(n/i)+1;
 fout<<s;
 return 0;
}