#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <sstream>
#include <set>
#include <map>
#include <vector>
#include <list>
#include <algorithm>
#include <cstring>
#include <cmath>
#include <string>
#include <queue>
#include <bitset>		//UWAGA - w czasie kompilacji musi byc znany rozmiar wektora - nie mozna go zmienic
#include <cassert>
#include <iomanip>		//do setprecision
#include <ctime>
#include <complex>
using namespace std;
#define FOR(i,b,e) for(int i=(b);i<(e);++i)
#define FORQ(i,b,e) for(int i=(b);i<=(e);++i)
#define FORD(i,b,e) for(int i=(b)-1;i>=(e);--i)
#define REP(x, n) for(int x = 0; x < (n); ++x)
#define ST first
#define ND second
#define PB push_back
#define MP make_pair
#define LL long long
#define ULL unsigned LL
#define LD long double
const double pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342;
#define MR (1<<20) + 10
int a[MR];
int main()
{
	int n, t;
	scanf("%d%d", &n, &t);
	int ile = 1 << n;
	REP(i, ile)
		scanf("%d", &a[i]);
	if (t % 2)
		reverse(a, a + ile);
	REP(i, ile)
		printf("%d ", a[i]);
	printf("\n");
	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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #include <cstdio> #include <cstdlib> #include <iostream> #include <fstream> #include <sstream> #include <set> #include <map> #include <vector> #include <list> #include <algorithm> #include <cstring> #include <cmath> #include <string> #include <queue> #include <bitset> //UWAGA - w czasie kompilacji musi byc znany rozmiar wektora - nie mozna go zmienic #include <cassert> #include <iomanip> //do setprecision #include <ctime> #include <complex> using namespace std; #define FOR(i,b,e) for(int i=(b);i<(e);++i) #define FORQ(i,b,e) for(int i=(b);i<=(e);++i) #define FORD(i,b,e) for(int i=(b)-1;i>=(e);--i) #define REP(x, n) for(int x = 0; x < (n); ++x) #define ST first #define ND second #define PB push_back #define MP make_pair #define LL long long #define ULL unsigned LL #define LD long double const double pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342; #define MR (1<<20) + 10 int a[MR]; int main() { int n, t; scanf("%d%d", &n, &t); int ile = 1 << n; REP(i, ile) scanf("%d", &a[i]); if (t % 2) reverse(a, a + ile); REP(i, ile) printf("%d ", a[i]); printf("\n"); return 0; } | 
 
            
         English
                    English