Cod sursa(job #1254881)
Utilizator | Data | 3 noiembrie 2014 17:35:12 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
using namespace std;
ifstream is("monkey.in");
ofstream os("monkey.out");
#define D 1999999973
long long int n, p;
int LG( int n, int p );
int main()
{
is >> n >> p;
os << LG( n, p );
is.close();
os.close();
return 0;
}
int LG( int n, int p )
{
if ( n == 0 )
return 1;
int aux = LG( n / 2, p );
aux = ( aux * aux ) % D;
if ( n & 1 )
{
aux *= p;
aux %= D;
}
return aux;
}