#include <iostream>
#include <vector>
int main()
{
unsigned int n, t;
std::cin >> n >> t;
n = 1 << n;
std::vector<int> cs(n);
for (int i = 0; i < n; ++i) {
std::cin >> cs[i];
}
if (t % 2 == 1) {
for (int i = n - 1; i >= 0; --i) {
std::cout << cs[i] << ' ';
}
} else {
for (auto&& i : cs) {
std::cout << 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 | #include <iostream> #include <vector> int main() { unsigned int n, t; std::cin >> n >> t; n = 1 << n; std::vector<int> cs(n); for (int i = 0; i < n; ++i) { std::cin >> cs[i]; } if (t % 2 == 1) { for (int i = n - 1; i >= 0; --i) { std::cout << cs[i] << ' '; } } else { for (auto&& i : cs) { std::cout << i << ' '; } } return 0; } |
English