import java.util.Scanner;
//================================================================
public class ArrayIrreg {
//----------------------------------------------------------------
    private static Scanner Keyboard = new Scanner(System.in);

    public static void main(String[] args) {
    //----------------------------------------------------------------
        char group, rLetter;

        int num     = 10; // for test
        int rows    = 10;
        int columns =  8;

        // creating 2d array


        System.out.print("Please enter number of rows               : ");
        rows = Keyboard.nextInt();

        while (rows < 0 || rows >= 10) {
            System.out.print("ERROR:Out of range, try again              : ");
            rows = Keyboard.nextInt();
        }

        double[][] figures = new double[rows + 1][num];

        for(int t = 0; t < rows; t++) {
            rLetter = (char)((t)+(int)'A');
            System.out.print("Please enter number of positions in row " + rLetter + " : ");
            columns = Keyboard.nextInt();

            while(columns < 0 || columns >= 8) {
                System.out.print("ERROR:Out of range, try again              : ");
                columns = Keyboard.nextInt();
            }

            for(int j = 0; j <= columns; j++) {
                figures[j] = new double[j] ;
            }

        }

        // filling the array
        for(int row = 0; row < figures.length; ++row) {
            for(int col = 0; col < figures[row].length; ++col) {
                figures[row][col] = 0.0;
            }
        }

        // printing the array
        for(int row = 0; row < figures.length; ++row) {
            // printing data row
            group = (char)((row)+(int)'A');
            System.out.print(group + " : ");

            for(int col = 0; col < figures[row].length; ++col) {
                System.out.print(figures[row][col] + " ");
                System.out.print(" ");
            }

            System.out.println();
        }

        // printing final border
        for(int col = 0; col < figures[0].length; ++col) {
            System.out.print("-+");
        }

        System.out.println("  ");
    }
}