#include<bits/stdc++.h> using namespace std; int main() { int n; cin >> n; for (int i = 1 ; i <= n ; i++) { for (int j = 1 ; j <= n ; j++) { if (i == j || i + j == n + 1) { cout << "x"; } else { cout << " "; } } cout << endl; } return 0; }