Cod sursa(job #2571616)

Utilizator Fatu_SamuelFatu Samuel Fatu_Samuel Data 5 martie 2020 08:52:29
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <bits/stdc++.h>

using namespace std;

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

const int mod = 1999999973;

long long n, p;

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

    int aux;

    while (p != 1)
    {
        aux = n;
        n *= n;

        n %= mod;

        if (p % 2)
            n *= aux;

        n %= mod;

        p /= 2;
    }

    fout << n;

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