Cod sursa(job #1723475)

Utilizator BlackNestaAndrei Manaila BlackNesta Data 30 iunie 2016 18:48:26
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.47 kb
#include <bits/stdc++.h>

using namespace std;

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

int LgPut(int n, int p)
{
    int k = 1;
    while(p)
    {
        if(p % 2 == 0)
        {
            n *= n;
            p /= 2;
        }
        else
        {
            k *= n;
            p--;
        }
    }
    return k;
}

int main()
{
    int n, p;
    f >> n >> p;
    f.close();
    g << LgPut(n, p);
    g.close();
    return 0;
}