Cod sursa(job #2559220)

Utilizator Fatu_SamuelFatu Samuel Fatu_Samuel Data 27 februarie 2020 09:46:17
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.51 kb
#include <bits/stdc++.h>

using namespace std;

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

const long long MOD = 1999999973;

long long n, p;

long long epq(long long n, long long p)
{
    if (p == 0)
        return 1;

    if (p == 1)
        return n;

    if (p % 2)
        return n * epq(n * n, (p - 1) * 2) % MOD;

    return epq(n * n, p / 2) % MOD;
}

int main()
{
    fin >> n >> p;
    fout << epq(n, p) % MOD;

    fin.close();
    fout.close();
    return 0;
}