Cod sursa(job #1555551)

Utilizator sulzandreiandrei sulzandrei Data 23 decembrie 2015 03:04:03
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <iostream>
#include <fstream>
using namespace std;

long long pow(int a, int b)
{
    long long res = 1;
    while(b)
    {
        if(b&1)
            res *= a;
        b >>= 1;
        a *=a;
    }
    return res;
}
int main()
{
    ifstream in("lgput.in");
    ofstream out("lgput.out");
    int n,p;
    in>>n>>p;
    out<<pow(n,p);
    return 0;
}