#include <iostream> using namespace std; int main() { int i,i1=1,sum=0; cin >> i; for(int n=1,x=1;n<=i;n++,x+=2){ for(int y=1;y<=i-n;y++){ cout<<" "; } for(int y=1;y<=x;y++){ cout<<"*"; } cout<<endl; } for(;i1<=i;i1++){ sum+=2; } for(int n=1,x=sum-3;n<i;n++,x-=2){ for(int y=1;y<=n;y++){ cout<<" "; } for(int y=1;y<=x;y++){ cout<<"*"; } cout<<endl; } return 0; }