using System;

using System.Collections;

​

public class Program

{

    public void Main()

    {

        var nums = new int[] { 1, 5, 10, -1, 6, 6 };

        for (int i = 0; i < nums.Length - 1; i++)

        {

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

            {

                var tmp = 0;

                if (nums[i] > nums[i + 1])

                {

                    nums[i] = tmp;

                    nums[i] = nums[i + 1];

                    nums[i + 1] = tmp;

                }

            }

        }

        //Console.WriteLine(string.Join(", ", nums));

    }

}