Cod sursa(job #337030)
| Utilizator | Data | 2 august 2009 12:57:30 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
using namespace std ;
ifstream f("lgput.in");
ofstream g("lgput.out");
long n,p,mod=1999999973;
void citire ()
{
f>>n>>p;
f.close ();
}
long power (long n, long p)
{
if (p==0) return 1;
else if (p%2)
return n*(power(n,p-1)%mod);
else
return power((n*n)%mod,p/2);
}
int main ()
{
citire ();
n%=mod;
g<<power (n,p);
g.close ();
return 0;
}
