using System;

public class Program

{

    public static void Main()

    {

        /*

        // one dimension

        int[] intArray = new int[3]{1,2,3};

        for(int i=0; i<=2; i++)

        {

            Console.WriteLine(intArray[i] + "x" + intArray[i] + "=" + intArray[i]*intArray[i]);

        }

        Console.WriteLine("===============================");

        foreach (int intValue in intArray)

        {

            Console.WriteLine(intValue + "x" + intValue + "=" + intValue*intValue);

        }

        */

        /*  

        // two dimenstion

        int[,] int2Array = new int [3,2]{{1,2},{3,4},{5,6}};

        for (int i = 0; i<=2; i++)

        {

            for (int j = 0; j<=1; j++)

            {

                Console.WriteLine(int2Array[i,j]);  

            }

        }

        Console.WriteLine("=====================");

        foreach (int inValue in int2Array)

        {

            Console.WriteLine(inValue); 

        }

        */

        // mutiple dimenstionintArray[i

        int[][] int3Array = new int[3][];

        int3Array[0] = new int[1] {1};

        int3Array[1] = new int[2] {2,3};

        int3Array[2] = new int[3] {4,5,6};

        for ( int x=0; x<=2; x++)

            {

            for (int y=0; y<= int3Array[x].Length -1; y++)

            {

            Console.WriteLine(int3Array[x][y]); 

            }

            }

        Console.WriteLine("==========================");

        foreach (int [] intValueArray in int3Array)

        {

            foreach (int intValue in intValueArray)

            {

                Console.WriteLine(intValue);

            }

        }   

    }

}