#include<bits/stdc++.h> using namespace std; int main (){ int n; cin >> n; for(int i = 1;i <= n * 2 - 1;i++) { cout << "*"; } cout << endl; for(int i = 1;i <= n - 1;i++) { for(int s = 1;s <= i;s++) { cout << " "; } for(int d = (n - i) * 2 - 1;d >= 1;d--) { cout << "*"; } cout << endl; } for(int i = n - 1;i >= 1;i--) { for(int s = 1;s < i;s++) { cout << " "; } for(int d = 1;d <= n * 2 - i * 2 + 1;d++) { cout << "*"; } cout << endl; } return 0; }