#include <iostream>
using namespace std;
void patterns(int n){
int spaces = n/2,st =1;
for(int i = 1;i<=n;i++){
//spaces
for(int j =1;j<=spaces;j++){
if(i == (n/2)+1){
cout<<"*"<<" ";
}
else{
cout<<" ";
}
}
//stars
for(int j = 1;j<=st;j++){
cout<<"*"<<" ";
}
// condition
if(i<=n/2){
st++;
}
else{
st--;
}
cout<<"\n";
}
}
int main() {
// your code goes here
int n;
cin>>n;
patterns(n);
return 0;
}
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