1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
//
//  main.cpp
//  TAS
//
//  Created by Faustyna Krawiec on 21/11/2016.
//  Copyright © 2016 Faustyna Krawiec. All rights reserved.
//

#include <iostream>
using namespace std;

int main() {
    cin.sync_with_stdio(false);
    int n,t; cin >> n >> t;
    int *tab = new int [1048580];
    for(int i=0; i<(1<<n); i++)
        cin >> tab[i];
    if(t%2)
        for(int i=(1<<n)-1;i>=0;i--)
            cout << tab[i] << ' ';
    else
        for(int i=0; i<(1<<n) ; i++)
            cout << tab[i] << ' ';
    return 0;
}