Cod sursa(job #2571629)

Utilizator Fatu_SamuelFatu Samuel Fatu_Samuel Data 5 martie 2020 09:01:32
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.47 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, aux = 1;

int main()
{
    fin >> n >> p;


    while (p != 1)
    {
        if (p % 2)
        {
            aux *= n;
            aux %= mod;
        }


        n *= n;
        n %= mod;

        p /= 2;
    }

    fout << (n * aux) % mod;

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