Cod sursa(job #1825727)

Utilizator tudormaximTudor Maxim tudormaxim Data 9 decembrie 2016 16:41:27
Problema Ridicare la putere in timp logaritmic Scor 100
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 main() {
    ios_base :: sync_with_stdio (false);
    long long n, p, ans = 1;
    fin >> n >> p;
    while (p) {
        if (p & 1) {
            ans = (ans * n) % mod;
        }
        n = (n * n) % mod;
        p = p >> 1;
    }
    fout << ans << "\n";
    fin.close();
    fout.close();
    return 0;
}