#include <iostream> using namespace std; int main() { int n; cin>>n; int t=2*n-1; for(int i=1;i<n;i++){ for(int j=1;j<=i-1;j++) cout<<" "; for(int j=1;j<=t;j++) { if(j==1||j==t) cout<<"*"; else cout<<" "; } t-=2; cout<<endl; } for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++) { if(j==n) cout<<"*"; else cout<<" "; } cout<<endl; } return 0; }