Cod sursa(job #2940742)

Utilizator andreimocianAndrei Mocian andreimocian Data 16 noiembrie 2022 11:52:05
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.46 kb
#include <iostream>
#include <fstream>

using namespace std;

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

const int MOD = 1999999973;
int n, p;

long long exp(int n, int p)
{
    long long sol = 1;
    while(p)
    {
        if(p & 1)
        {
            sol *= (1LL * sol * n) % MOD;
        }
        n = n * n;
        p = p >> 1;
    }
    return sol;
}

int main()
{
    fin >> n >> p;
    fout << exp(n, p);
    return 0;
}