#include <bits/stdc++.h>
using namespace std;
int n, k, m, t[2000111];
int main () {
scanf("%d%d", &n, &k);
m = 1; while (n--) m <<= 1;
for (int i = 0; i < m; i++)
scanf("%d", &t[i]);
if ((k & 1) == 0)
for (int i = 0; i < m; i++)
printf("%d ", t[i]);
else
for (int i = m - 1; i >= 0; i--)
printf("%d ", t[i]);
printf("\n");
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | #include <bits/stdc++.h> using namespace std; int n, k, m, t[2000111]; int main () { scanf("%d%d", &n, &k); m = 1; while (n--) m <<= 1; for (int i = 0; i < m; i++) scanf("%d", &t[i]); if ((k & 1) == 0) for (int i = 0; i < m; i++) printf("%d ", t[i]); else for (int i = m - 1; i >= 0; i--) printf("%d ", t[i]); printf("\n"); return 0; } |
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