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
26
#include <iostream>
#include <vector>
using namespace std;

int main()
{
  ios_base::sync_with_stdio(0);
  int t, n;
  vector <int> talia;
  cin >> n >> t;
  int pot = 1;
  for (int i = 0; i < n; i++)
    pot *= 2;
  for (int i = 0; i < pot; i++) {
    int x;
    cin >> x;
    talia.push_back(x);
  }
  if (t % 2 == 0)
    for (int i = 0; i < pot; i++)
      cout << talia [i] << " ";
  else
    for (int i = pot -1; i >= 0; i--)
      cout << talia [i] << " ";
  return 0;
}