using System;

​

public class Program

{

    public static void Main()

    {

        Random rnd = new Random();

        int[, ] M = new int[10, 10];

        int[] A = new int[10];

        int x, i, j, count, max, n;

        Console.WriteLine("random selection");

        for (i = 0; i < 10; i++)

            for (j = 0; j < 10; j++)

            {

                x = rnd.Next(1, 51);

                M[j, i] = x;

            }

​

        Console.WriteLine("counting");

        for (i = 0; i < 10; i++)

        {

            count = 0;

            for (j = 0; j < 10; j++)

                if (M[j, i] % 2 == 1)

                    count++;

            A[i] = count;

        }

​

        Console.WriteLine("start compare the max");

        n = 0;

        max = A[0];

        for (i = 1; i < 10; i++)

            if (A[i] > max)

            {

                max = A[i];

                n = i;

            }

​

        Console.WriteLine("the column number is {0}", n);

    }

}