#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i = (a); i <= (b); ++i)
#define FORD(i,a,b) for(int i = (a); i >= (b); --i)
#define RI(i,n) FOR(i,1,(n))
#define REP(i,n) FOR(i,0,(n)-1)
#define mini(a,b) a=min(a,b)
#define maxi(a,b) a=max(a,b)
#define mp make_pair
#define pb push_back
#define st first
#define nd second
#define sz(w) (int) w.size()
typedef vector<int> vi;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<pii, int> para;
const int inf = 1e9 + 7;
const int maxN = 1<<22;
int k, n;
vi arr;
int main() {
ios_base::sync_with_stdio(0);
cin>>n>>k;
n = 1<<n;
arr.resize(n);
REP(i, n)
cin>>arr[i];
if (k % 2 == 1)
reverse(arr.begin(), arr.end());
REP(i, n)
cout<<arr[i]<<" ";
return 0;
}
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 | #include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i = (a); i <= (b); ++i) #define FORD(i,a,b) for(int i = (a); i >= (b); --i) #define RI(i,n) FOR(i,1,(n)) #define REP(i,n) FOR(i,0,(n)-1) #define mini(a,b) a=min(a,b) #define maxi(a,b) a=max(a,b) #define mp make_pair #define pb push_back #define st first #define nd second #define sz(w) (int) w.size() typedef vector<int> vi; typedef long long ll; typedef long double ld; typedef pair<int,int> pii; typedef pair<pii, int> para; const int inf = 1e9 + 7; const int maxN = 1<<22; int k, n; vi arr; int main() { ios_base::sync_with_stdio(0); cin>>n>>k; n = 1<<n; arr.resize(n); REP(i, n) cin>>arr[i]; if (k % 2 == 1) reverse(arr.begin(), arr.end()); REP(i, n) cout<<arr[i]<<" "; return 0; } |
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