Cod sursa(job #1509901)

Utilizator mircearoataMircea Roata Palade mircearoata Data 24 octombrie 2015 13:44:48
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.37 kb
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long n,p;
    long long pow=1;
    in>>n>>p;
    while(p!=1){
        if(p%2==0)
        {
            p=p/2;
            n=n*n;
        }else{
            p=p-1;
            pow=pow*n;
        }
    }
    n=n*pow;
    out<<n;
    return 0;
}