import java.util.Scanner;
public class PrintDiamond {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter total no or rows");
int n = sc.nextInt();
//Upper Half
//for printing spaces
for (int i = 0; i < n; i++) {
for (int j = 0; j < n - i; j++) {
System.out.print(" ");
} //for printing stars
for (int j = 0; j <= i; j++) {
System.out.print("*" + " ");
}
System.out.println();
}
//Lower Half
//for printing spaces
for (int i = n-1; i > 0; i--) {
for (int j = 0; j < n - i+1; j++) {
System.out.print(" ");
}
//for printing stars
for (int j = 0; j < i; j++) {
System.out.print("*" + " ");
}
System.out.println();
}
}
}
