Cod sursa(job #308107)

Utilizator bluemoonaiAna Ivan bluemoonai Data 25 aprilie 2009 23:37:04
Problema Suma divizorilor Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.23 kb
Raporteaza aceasta sursa 
#include<fstream.h>
#include<math.h>
int main()
{
long long p,a,b;
ifstream in("sumdiv.in");
ofstream out("sumdiv.out");
in>>a>>b;
if (b==0) out<<"1";
 else
  {
   p=pow (a,b+1);
   out<<((p-1)/(a-1))%9901;
  }
return 0;
}