SortMethod.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
class Qsort:
    def __init__(self):
        self.data = None
        self.output = None

    # 快速排序
    def QuickSort(self, data, start, end):
        # 判断low是否小于high,如果为false,直接返回
        self.data = data
        if start < end:
            i, j = start, end
            # 设置基准数
            key = self.data[i]
            while i < j:
                # 如果列表后边的数,比基准数大或相等,则前移一位直到有比基准数小的数出现
                while (i < j) and (self.data[j] >= key):
                    j = j - 1

                # 如找到,则把第j个元素赋值给第个元素i,此时表中i,j个元素相等
                self.data[i] = self.data[j]

                # 同样的方式比较前半区
                while (i < j) and (self.data[i] <= key):
                    i = i + 1
                self.data[j] = self.data[i]
            # 做完第一轮比较之后,列表被分成了两个半区,并且i=j,需要将这个数设置回base
            self.data[i] = key
            # 递归前后半区
            self.QuickSort(self.data, start, i - 1)
            self.QuickSort(self.data, j + 1, end)
        self.output = self.data

    # 分桶排序
    def BucketSort(self, data):
        self.data = data
        result = []
        '''桶长=max-min+1'''
        set_res = [0 for i in range(max(set(self.data)) - min(set(self.data)) + 1)]
        for i in data:
            '''元素映射-->index:item-min'''
            set_res[i - min(self.data)] = set_res[i - min(self.data)] + 1
        for i in range(len(set_res)):
            if set_res[i] != 0:
                '''元素还原'''
                result = result + [i + min(self.data)] * set_res[i]
        self.output = result


if __name__ == '__main__':
    data = [49, 38, 65, 97, 76, 13, 27, 49]
    model = Qsort()
    model1 = Qsort()
    model.QuickSort(data, 0, len(data) - 1)
    print(model.output)
    model1.BucketSort(data)
    print(model1.output)