Cod sursa(job #2562325)

Utilizator Sebi_MafteiMaftei Sebastioan Sebi_Maftei Data 29 februarie 2020 13:29:39
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.44 kb
#include <bits/stdc++.h>

using namespace std;

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

int P(unsigned int a, unsigned int n)
{
    unsigned int p = 1;
    while (n > 0)
    {
        if (n % 2 == 1)
            p = 1LL * p * a % 1999999973;
        a = 1LL * a * a % 1999999973;
        n /= 2;
    }
    return p;
}

int main()
{
    unsigned int a, b;
    fin >> a >> b;
    fout << P(a, b);
    return 0;
}