提交时间:2024-11-14 14:27:56

运行 ID: 34740

#include <cstdio> #include <vector> using namespace std; using i64 = long long; int main() { int n; scanf("%d", &n); vector<int> arr(n); for (auto& x : arr) scanf("%d", &x); if (n & 1) { for (int i = n - 1; i >= 0; i -= 2) printf("%d ", arr[i]); for (int i = 1; i < n; i += 2) printf("%d ", arr[i]); } else { for (int i = n - 1; i >= 0; i -= 2) printf("%d ", arr[i]); for (int i = 0; i < n; i += 2) printf("%d ", arr[i]); } return 0; }