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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
#include <bits/stdc++.h>

using namespace std;
#define PB push_back
#define MP make_pair
#define LL long long
#define FOR(i,a,b) for(int i = (a); i <= (b); i++)
#define RE(i,n) FOR(i,1,n)
#define REP(i,n) FOR(i,0,(int)(n)-1)
#define R(i,n) REP(i,n)
#define VI vector<int>
#define PII pair<int,int>
#define LD long double
#define FI first
#define SE second
#define st FI
#define nd SE
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) ((int)(x).size())

template<class C> void mini(C&a4, C b4) { a4 = min(a4, b4); }
template<class C> void maxi(C&a4, C b4) { a4 = max(a4, b4); }

template<class TH> void _dbg(const char *sdbg, TH h){cerr<<sdbg<<"="<<h<<endl;}
template<class TH, class...TA> void _dbg(const char *sdbg, TH h, TA... a) {
  while (*sdbg!=',')cerr<<*sdbg++;cerr<<'='<<h<<",";_dbg(sdbg+1, a...);
}

template<class T> ostream& operator<<(ostream &os, vector<T> V) {
  os<<"[";for(auto vv:V)os<<vv<<","; os<<"]";
  return os;
}
template<class L, class R> ostream& operator<<(ostream &os, pair<L, R> P) {
  os<<"("<<P.first<<","<<P.second<<")";
  return os;
}

#ifdef LOCAL
#define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
#else
#define debug(...) (__VA_ARGS__)
#define cerr if(0)cout
#endif

int32_t main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout << fixed << setprecision(12);
  cerr << fixed << setprecision(6);
  
  int N, T, S;
  cin >> N >> T;
  S = 1 << N;
  vector<int> nums(S);
  for (int i = 0; i < S; i++) { cin >> nums[i]; }
  if (T % 2 == 1) { reverse(ALL(nums)); }
  for (int v : nums) { cout << v << " "; }
  cout << "\n";
}