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Update the book based on the revised second edition (#1014)

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* Revised the book

* Update the book with the second revised edition

* Revise base on the manuscript of the first edition
This commit is contained in:
Yudong Jin
2023-12-28 18:06:09 +08:00
committed by GitHub
parent 19dde675df
commit f68bbb0d59
261 changed files with 643 additions and 647 deletions
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2
codes/python/chapter_sorting/bubble_sort.py
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@ -30,7 +30,7 @@ def bubble_sort_with_flag(nums: list[int]):
nums[j], nums[j + 1] = nums[j + 1], nums[j]
flag = True # 记录交换元素
if not flag:
break # 此轮冒泡未交换任何元素，直接跳出
break # 此轮“冒泡”未交换任何元素，直接跳出
"""Driver Code"""

4
codes/python/chapter_sorting/merge_sort.py
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@ -7,12 +7,12 @@ Author: timi (xisunyy@163.com), Krahets (krahets@163.com)
def merge(nums: list[int], left: int, mid: int, right: int):
"""合并左子数组和右子数组"""
# 左子数组区间 [left, mid], 右子数组区间 [mid+1, right]
# 左子数组区间为 [left, mid], 右子数组区间为 [mid+1, right]
# 创建一个临时数组 tmp ，用于存放合并后的结果
tmp = [0] * (right - left + 1)
# 初始化左子数组和右子数组的起始索引
i, j, k = left, mid + 1, 0
# 当左右子数组都还有元素时，比较并将较小的元素复制到临时数组中
# 当左右子数组都还有元素时，进行比较并将较小的元素复制到临时数组中
while i <= mid and j <= right:
if nums[i] <= nums[j]:
tmp[k] = nums[i]

2
codes/python/chapter_sorting/quick_sort.py
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@ -39,7 +39,7 @@ class QuickSortMedian:
"""快速排序类（中位基准数优化）"""
def median_three(self, nums: list[int], left: int, mid: int, right: int) -> int:
"""选取三个元素的中位数"""
"""选取三个候选元素的中位数"""
# 此处使用异或运算来简化代码
# 异或规则为 0 ^ 0 = 1 ^ 1 = 0, 0 ^ 1 = 1 ^ 0 = 1
if (nums[left] < nums[mid]) ^ (nums[left] < nums[right]):