public static void main(String[] args) {
Scanner scn=new Scanner(System.in);
int n=scn.nextInt();
for(int i=1;i<=n;i++) {
for(int j=1;j<=2*(n-1);j++) {
if(j<=n+1-i) {
System.out.print(j+" ");
}else if(j>n+1-i && j<=n+i-2) {
System.out.print("* ");
}else {
System.out.print(" ");
}
}
System.out.println();
}
}
/////////////////////////////
can u please tell me why I am getting wrong answer in one test case