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
#include <iostream>

int main(void)
{
	int n, t;
	std::cin >> n >> t;

	if ( t % 2 )
	{
		int* values = new int [ 1 << n ];

		for ( int i = 0; i < ( 1 << n ); ++i )
			std::cin >> values[ i ];

		for ( int i = ( 1 << n ); i > 0; i )
			std::cout << values[ --i ] << " ";
	}
	else
	{
		int in;
		for ( int i = 0; i < ( 1 << n ); ++i )
		{
			if ( i ) std::cout << in << " ";
			std::cin >> in;
		}
	}

	return 0;
};