编辑代码

using System;

public class HelloWorld
{
    public static void Main()
    {
       int[] ints = new int[] {11,9,3,20,56,32};
       BubbleSort(ints);
    }

    public static void BubbleSort(int[] arr)
        {
            Console.WriteLine("冒泡排序：");
            for (int i = 0; i < arr.Length-1; i++)
            {
                for(int j = 0; j < arr.Length - 1 - i; j++)
                {
                    if (arr[j] > arr[j + 1])
                    {
                        var temp = arr[j];
                        arr[j] = arr[j + 1];
                        arr[j + 1] = temp;
                    }
                }
                foreach (int x in arr)
                {
                    Console.Write(x + " ");
                }
                Console.WriteLine();
            }
        }


        public static void selectSort(int[] arr)
        {
            Console.WriteLine("选择排序");
            for (int i = 0;i<arr.Length-1;i++)
            {
                int min = i;
                for(int j = i+1 ; j < arr.Length; j++)
                {
                    if (arr[min] > arr[j])
                    {
                        min = j;
                    }
                }

                if (min != i)
                {
                    var temp = arr[i];
                    arr[i] = arr[min];
                    arr[min] = temp;
                }
                foreach (int x in arr)
                {
                    Console.Write(x + " ");
                }
                Console.WriteLine();
            }
        }
}