Cod sursa(job #1590035)

Utilizator BrandonChris Luntraru Brandon Data 4 februarie 2016 17:38:11
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include <fstream>

using namespace std;

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

long long n, p;

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

void read() {
    cin >> n >> p;
}

void print() {
    cout << pow(n, p);
}

int main() {
    read();
    print();
    return 0;
}