Cod sursa(job #3267383)

Utilizator assemblyVlad-Gabriel Georgescu assembly Data 11 ianuarie 2025 11:21:42
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.5 kb
#include <iostream>
#include <fstream>

using namespace std;

int mod = 1000000007;
int exp(int A, int N) {
    if (N == 1) return A;
    if (N == 0) return 1;

    if (N % 2 == 0) {
        int aux = exp(A, N / 2);
        return (aux * aux) % mod;
    }

    if (N % 2 == 1) {
        int aux = exp(A, N / 2);
        return ((aux * aux) % mod * A) % mod;
    }
}

int main() {
    ifstream cin("lgput.in");
    ofstream cout("lgput.out");

    int a, b;

    cin >> a >> b;

    cout << exp(a, b);

    return 0;
}