Cod sursa(job #1648825)

Utilizator bogdanciurezubogdan ciurezu bogdanciurezu Data 11 martie 2016 11:47:20
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <fstream>

using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");

unsigned int n, p;

unsigned int power(unsigned int x, unsigned int p){

    if(p == 0)
        return 1;
    else if(p == 1)
        return x;
    else{
        unsigned int c = power(x, p/2);
        return c * c;
    }
}

int main()
{
    f>>n>>p;

    g<<power(n, p);
    return 0;
}