桶排序

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# -*- coding: utf-8 -*-

import random


def bucket_sort(li, n=100, max_num=10000):
    buckets = [[] for _ in range(n)] # 创建桶
    for var in li:
        i = min(var // (max_num // n), n-1) # i 表示var放到几号桶里
        buckets[i].append(var) # 把var加到桶里边
        # 保持桶内的顺序
        for j in range(len(buckets[i])-1, 0, -1):
            if buckets[i][j] < buckets[i][j-1]:
                buckets[i][j], buckets[i][j-1] = buckets[i][j-1], buckets[i][j]
            else:
                break
    sorted_li = []
    for buc in buckets:
        sorted_li.extend(buc)
    return sorted_li


li = [random.randint(0,10) for i in range(100)]
print(li)

li = bucket_sort(li)
print(li)