Cod sursa(job #1800240)
| Utilizator | Data | 7 noiembrie 2016 16:48:13 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.58 kb |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1999999973;
long long pow(long long x, long long n) {
if (n == 0) return 1;
else if (n == 1) return x % MOD;
else if (n % 2 == 0) {
x *= x;
x %= MOD;
return pow(x, n / 2);
} else {
int xx = x * x;
xx %= MOD;
return (x % MOD) * pow(xx, (n - 1) / 2);
}
}
int main() {
cin.sync_with_stdio(false);
ifstream fin;
ofstream fout;
fin.open("lgput.in");
fout.open("lgput.out");
int N, P; fin >> N >> P;
fout << pow(N, P) << endl;
}
