#include<iostream> #include<cstdio> //scanf()\printf() #include<cstring> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n; cin>>n; for(int i=1;i<n*2;i+=2){ for(int j=1;j<=n-i/2;j++) cout<<' '; for(int k=1;k<=i;k++) cout<<'*'; for(int j=1;j<=n-i/2;j++) cout<<' '; cout<<endl; } return 0; }