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