#include <bits/stdc++.h>
using namespace std;
const int N = 10000001;
int a[N];
int main() {
int n, t;
scanf("%d %d", &n, &t);
int nn = 1 << n;
for (int i = 0; i < nn; i++) {
scanf("%d", a + i);
}
if (t % 2 != 0) {
for (int i = 1; i < nn; i += 2) {
swap(a[i - 1], a[i]);
}
if (n > 1) {
for (int i = nn / 2; i < nn; i++) {
printf("%d ", a[i]);
}
for (int i = 0; i < nn / 2; i++) {
printf("%d ", a[i]);
}
} else {
for (int i = 0; i < nn; i++) {
printf("%d ", a[i]);
}
}
} else {
for (int i = 0; i < nn; i++) {
printf("%d ", a[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 | #include <bits/stdc++.h> using namespace std; const int N = 10000001; int a[N]; int main() { int n, t; scanf("%d %d", &n, &t); int nn = 1 << n; for (int i = 0; i < nn; i++) { scanf("%d", a + i); } if (t % 2 != 0) { for (int i = 1; i < nn; i += 2) { swap(a[i - 1], a[i]); } if (n > 1) { for (int i = nn / 2; i < nn; i++) { printf("%d ", a[i]); } for (int i = 0; i < nn / 2; i++) { printf("%d ", a[i]); } } else { for (int i = 0; i < nn; i++) { printf("%d ", a[i]); } } } else { for (int i = 0; i < nn; i++) { printf("%d ", a[i]); } } return 0; } |
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