#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 j = 1;j <= 2*i-1;j++){ cout<<"*"; } cout <<endl; }for(int i = 1;i <= n-1;i++){ for(int j = 1;j <= i;j++){ cout<<" "; } for(int j = 1;j <= 2*n-1-2*i;j++){ cout<<"*"; } cout <<endl; } cout<<endl; return 0; }