Cod sursa(job #3135156)

Utilizator mire123Mircea Lupu mire123 Data 2 iunie 2023 01:38:34
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.48 kb
#include <bits/stdc++.h>

using namespace std;

int calc(int x, int n)
{
    if (n < 0)
        return calc(1 / x, -n);
    if (n == 0)
        return 1;
    if (n % 2 == 0)
        return calc(x * x, n / 2);
    else
        return x * calc(x * x, (n - 1) / 2);
}

int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    int N, P, rz;
    int nr = 1999999973;
    fin >> N >> P;
    rz = calc(N, P) % nr;
    fout << rz;

    return 0;
}