Cod sursa(job #327888)

Utilizator cosmyoPaunel Cosmin cosmyo Data 30 iunie 2009 15:37:07
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.21 kb
Raporteaza aceasta sursa 
#include<fstream.h>
long n,i,s;
int main()
{ifstream fin("fractii.in");
  fin>>n;
 fin.close();
 ofstream fout("fractii.out");
 s=n;
 for(i=2;i<=n;i++)
  s+=n-2*(n/i)+1;
  
 fout<<s;
 return 0;
}