Array数组集合的排序

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    身是菩提树，心如明镜台，时时勤拂拭，勿使惹尘埃。
                我们的未来没有BUG
* ==============================================================================
* Filename: Array
* Created:  2017/5/3
* Author:   ShangHai WangYuChen
* ==============================================================================
*/
using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Array : MonoBehaviour {
    List<int> list = new List<int>() { 11,5,9,33,15,32,15};
    /// <summary>
    /// 直接插入排序
    /// </summary>
    /// <param name="list"></param>
    public static void InsertSort(List<int> list) {
        //从第二个数开始循环, 循环n-1次
        for (int i = 1; i < list .Count; i++)
        {
            //将待排序的数拿出来, 以便后面挪位子
            int temp = list[i];
            //j就是最后确定的那个最大/最小数的下标
            int j = i;
            while (j>=1&&temp <list[j-1])
            {
                //将满足条件的数据向后移动一位, 腾空位, 为插入挪位子
                list[j] = list[j - 1];
                j--;
            }
            list[j] = temp;
        }
    }
    /// <summary>
    /// 希尔排序
    /// </summary>
    /// <param name="list"></param>
    public static void ShellSort(List<int> list) {
        int step = list.Count / 2;
        while (step>=1)
        {
            for (int i = step; i < list.Count; i++)
            {
                int temp = list[i];
                int j = i;
                while (j>=step&&temp>list[j-step])
                {
                    list[j] = list[j - step];
                    j -= step;
                }
                list[j] = temp;
            }
            step = step / 2;
        }
    }
    /// <summary>
    /// 直接选择排序
    /// </summary>
    /// <param name="list"></param>
    public static void SelectionSort(List<int> list) {
        for (int i = 0; i < list.Count -1; i++)
        {
            //假设tempIndex的下标的值最小
            int tempIndex = i;
            for (int j = i+1; j < list.Count; j++)
            {
                //如果tempIndex下标的值大于j下标的值,则记录较小值下标j
                if (list [tempIndex]>list [j])
                {
                    tempIndex = j;
                }
            }
            //最后将假想最小值跟真的最小值进行交换
            int temp = list[tempIndex];
            list[tempIndex] = list[i];
            list[i] = temp;
        }
    }
    /// <summary>
    /// 冒泡排序算法
    /// </summary>
    /// <param name="list"></param>
    public static void BubbleSort(List<int> list) {
        for (int i = 0; i < list.Count -1; i++)
        {
            for (int j = 1; j < list.Count ; j++)
            {
                //如果前面一个数大于后面一个数则交换
                if (list [j-1]>list [j])
                {
                    int temp = list[j - 1];
                    list[j - 1] = list[j];
                    list[j] = temp;
                }
            }
        }
    }
    /// <summary>
    /// 冒泡排序算法(自己喜欢常用的冒泡排序)
    /// </summary>
    /// <param name="list"></param>
    public static void loveSort(List<int> list)
    {
        for (int i = 0; i < list.Count; i++)
        {
            for (int j = i+1; j < list.Count; j++)
            {
                //如果前面一个数大于后面一个数则交换
                if (list[i] > list[j])
                {
                    int temp = list[i];
                    list[i] = list[j];
                    list[j] = temp;
                }
            }
        }
    }

    void Start () {
        // InsertSort(list);
        //ShellSort(list);
        //SelectionSort(list);
        //BubbleSort(list);
        loveSort(list);
        for (int i = 0; i < list.Count; i++)
        {
            Debug.Log("第"+i+"是："+list [i]);
        }
    }
}