using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CSharp2DArrayDemo
{
    class Program
    {
        public void Run()
        {
            //Declare two-dimensional array that can hold integers
            int[][] intArray;
            //Initialize and integer
            int intValue = 0;

            // Initialize A string variable to hold a row of numbers converted to strings
            string numberRow = " ";

            //Initialise multi-dimensional array with 10 elements. More precisely, 10 ROWS
            intArray = new int[10][];

            //Initialise the second dimension of the array with 10 elements 
            //within each element of the first array

            //LOOP Over each row and initialize 10 COLUMNS
            for (int i = 0; i < intArray.Length; i++)
            {
                intArray[i] = new int[10];
            }

            // Populate the int multi-dimensional array using a nested for loop:
            // - First Loop is to loop over each ROW
            // - Second loop is to loop over each column for that row
            for (int j = 0; j < intArray.Length; j++)
            {
                for (int k = 0; k < intArray.Length; k++)
                {
                    // The intValue variable will count from 1 to a 100
                    // each of these numbers will be stored in each member 
                    // of the multi-dimensional array
                    intValue++;
                    intArray[j][k] = intValue;

                    if (intValue < 10)
                    {
                        // Convert each number to a string and append it to the
                        // string variable
                        numberRow += Convert.ToString(intArray[j][k]) + "  ";

                    }
                    else
                    {
                        //Append the number to the string
                        // The number will be automatically converted to a string
                        numberRow += intArray[j][k] + " ";
                    }
                }
                // Print out the row of numbers
                Console.WriteLine(numberRow);
                numberRow = " ";
            }

        }

        static void Main(string[] args)
        {
            Program t = new Program();
            t.Run();
            Console.ReadLine();
        }
    }
}