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