public class App {
    public static void main(String[] args) throws Exception {
        int i,j;
        for(i=1;i<=5;i++)
        {
            for(j=1;j<=5;j++)
                if(j<=i)
                System.out.print("*");
                else
                System.out.print(" ");
            System.out.println();
        }
    
    }
}

public class App {
    public static void main(String[] args) throws Exception {
        int i,j;

        for(i=1;i<=9;i++)
        {
           
            for(j=1;j<=9;j++)
            {
                if((j>=6-i && j<=4+i) && (j>=i-4 && j<=14-i))
                {
                    System.out.print("*");             
                }
                else
                System.out.print(" ");
            }
            System.out.println("");
        }
    
    }
}

public class App {
    public static void main(String[] args) throws Exception {
        int i, j;
        char k;
        for (i = 1; i <= 6; i++) {
            k = 'A';
            for (j = 1; j <= 6; j++)
                if (j <= i) {
                    System.out.print(k);
                    k++;
                } else {
                    System.out.print(" ");
                }
            System.out.println();
        }

    }
}

import java.util.*;

public class App {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int i, j, k = 1, n;
        System.out.print("Enter value of n :");
        n = sc.nextInt();
        for (i = 1; i <= n; i++) {
            for (j = 1; j <= n; j++)
                if (j <= i) {
                    System.out.print(k);
                    k++;
                } else {
                    System.out.print(" ");
                }
            System.out.println();
        }

    }
}