Cod sursa(job #245270)
| Utilizator |  Haldan Catalin Bursucelu |
Data | 17 ianuarie 2009 15:22:10 |
|---|---|---|---|
| Problema | Suma divizorilor | Scor | 20 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.31 kb |
#include <fstream>
using namespace std;
int main()
{
ifstream f ("sumdiv.in");
ofstream g ("sumdiv.out");
unsigned long a,b,s,i,p,j;
f>>a>>b;
p=1;
for (i=1; i<=b; ++i)
{
p=p*a;
}
s=p;
for (j=1; j<=p/2; ++j)
{
if (p%j==0)
s+=j;
}
g<<s%9901;
return 0;
f.close();
g.close();
}