Cod sursa(job #1918694)

Utilizator tudormaximTudor Maxim tudormaxim Data 9 martie 2017 16:30:27
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.47 kb
#include <iostream>
#include <fstream>
using namespace std;

ifstream fin ("lgput.in");
ofstream fout ("lgput.out");

const int mod = 1999999973;

int Log_pow (int n, int p) {
    int ans = 1;
    while (p) {
        if (p & 1) ans = (ans * n) % mod;
        n = (n * n) % mod;
        p = p >> 1;
    }
    return ans;
}

int main() {
    int n, p;
    fin >> n >> p;
    fout << Log_pow(n, p) << '\n';
    fin.close();
    fout.close();
    return 0;
}