Cod sursa(job #2723407)

Utilizator BogdanRazvanBogdan Razvan BogdanRazvan Data 14 martie 2021 00:06:14
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.55 kb
#include <bits/stdc++.h>
#define mod 1999999973

using namespace std;

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

void usain_bolt()
{
    ios::sync_with_stdio(false);
    fin.tie(0);
}

long long exp(long long a, long long b)
{
    long long sol = 1;
    while(b > 0) {
        if(b & 1) {
            sol = (sol * a) % mod;
        }
        a = (a * a) % mod;
        b >>= 1;
    }
    return sol;
}

int main()
{
    usain_bolt();

    long long a, b;

    fin >> a >> b;
    fout << exp(a, b);

    return 0;
}