Cod sursa(job #930806)
Utilizator | Data | 27 martie 2013 20:23:57 | |
---|---|---|---|
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;
const int MOD = 1999999973;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long power(int base, int exp) {
if (exp == 1)
return base % MOD;
if (exp % 2 == 0)
return (power(base*base, exp/2)) % MOD;
return (base * power(base*base, exp/2)) % MOD;
}
int main() {
long long n, p;
in >> n >> p;
out << power(n, p) << "\n";
return 0;
}