1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
#include <iostream>
using namespace std;
int tab[2000000];
int main()
{
    ios_base::sync_with_stdio(0);
    int p,t,n=1;
    cin>>p>>t;
    for(int i=1;i<=p;i++)n=n<<1;
    for(int i=1;i<=n;i++)cin>>tab[i];
    if(t%2==0)for(int i=1;i<=n;i++)cout<<tab[i]<<" ";
    if(t%2==1)for(int i=n;i>=1;i--)cout<<tab[i]<<" ";
}