import java.util.*;
public class Main {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int star=1;
int space=n-1;
int row=1;
while(row<=n){
int k=1;
while(k<=space){
System.out.print("\t");
k++;
}
int j=1;
while(j<=star){
System.out.print("*\t");
j++;
}
if(row<=n/2){
star+=2;
space--;
}
else{
star-=2;
space++;
}
System.out.println();
row++;
}
}
}
I am not sure why my code is not getting accepted?