using System;

using System.Threading.Tasks;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter the max number of sub-arrays");

        int maxSubarrayCount = int.Parse(Console.ReadLine());

        Console.WriteLine("Enter the max size of each sub-array");

        int maxSubarraySize = int.Parse(Console.ReadLine());

        Console.WriteLine("Enter the max value of array elements");

        int maxValue = int.Parse(Console.ReadLine());

        int subarrayCount = Random.Shared.Next(1, maxSubarrayCount + 1);

        int[][] arrayOfIntegerArrays = new int[subarrayCount][];

        for (int i = 0; i < arrayOfIntegerArrays.Length; i++)

        {

            var subarraySize = Random.Shared.Next(1, maxSubarrayCount + 1);

            arrayOfIntegerArrays[i] = new int[subarraySize];

            for (int subIndex = 0; subIndex < arrayOfIntegerArrays[i].Length; subIndex++)

            {

                arrayOfIntegerArrays[i][subIndex] = Random.Shared.Next(1, maxValue + 1);

            }

        }

​

        foreach (int[] subarray in arrayOfIntegerArrays)

        {

            Console.Write('[');

            foreach (int value in subarray)

            {

                Console.Write($"{value} ");

            }

​

            Console.WriteLine(']');

        }

    }

}