Cod sursa(job #1259136)
| Utilizator | Data | 9 noiembrie 2014 19:05:24 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.4 kb |
#include <fstream>
using namespace std;
ifstream is("lgput.in");
ofstream os("lgput.out");
#define MOD 1999999973
int Putere(int p);
int n, p;
int main()
{
is >> n >> p;
os << Putere(p);
is.close();
os.close();
return 0;
}
int Putere(int p)
{
if ( p == 0 ) return 1;
int x = Putere(p/2);
x = (x*x) % MOD;
if ( p & 1 )
x = (x*n) % MOD;
return x;
}
