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