#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() using namespace std; int main(){ int n; cin>>n; for(int i=1;i<=n;i++){ for(int j=i;j<=n-1;j++){ cout<<" "; } for(int j=1;j<=1+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<=1+2*(n-1-i);j++){ cout<<"*"; } cout<<endl; } return 0; }