Cod sursa(job #1508077)

Utilizator Cozzmy13Tanislav Cosmin Cozzmy13 Data 22 octombrie 2015 11:44:36
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <bits/stdc++.h>

using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");

long long int power(long long int x, long long int p)
{
    if(p == 0)
        return 1;

    long long int d = power(x, p / 2);

    if(p % 2 == 0)
        return d * d;
    else
        return x * d * d;
}

int main()
{
    int n, k;
    in >> n >> k;
    out << power(n, k);
    return 0;
}