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krahets
2023-03-23 18:56:56 +08:00
parent 2715ce703a
commit 0dfdcf0bab
25 changed files with 118 additions and 115 deletions
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chapter_sorting/quick_sort.md
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@@ -100,7 +100,7 @@ comments: true
=== "Python"
```python title="quick_sort.py"
def partition(self, nums: List[int], left: int, right: int) -> int:
def partition(self, nums: list[int], left: int, right: int) -> int:
""" 哨兵划分 """
# 以 nums[left] 作为基准数
i, j = left, right
@@ -343,7 +343,7 @@ comments: true
=== "Python"
```python title="quick_sort.py"
def quick_sort(self, nums: List[int], left: int, right: int) -> None:
def quick_sort(self, nums: list[int], left: int, right: int) -> None:
""" 快速排序 """
# 子数组长度为 1 时终止递归
if left >= right:
@@ -562,7 +562,7 @@ comments: true
=== "Python"
```python title="quick_sort.py"
def median_three(self, nums: List[int], left: int, mid: int, right: int) -> int:
def median_three(self, nums: list[int], left: int, mid: int, right: int) -> int:
""" 选取三个元素的中位数 """
# 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
@@ -572,7 +572,7 @@ comments: true
return mid
return right
def partition(self, nums: List[int], left: int, right: int) -> int:
def partition(self, nums: list[int], left: int, right: int) -> int:
""" 哨兵划分（三数取中值） """
# 以 nums[left] 作为基准数
med: int = self.median_three(nums, left, (left + right) // 2, right)
@@ -855,7 +855,7 @@ comments: true
=== "Python"
```python title="quick_sort.py"
def quick_sort(self, nums: List[int], left: int, right: int) -> None:
def quick_sort(self, nums: list[int], left: int, right: int) -> None:
""" 快速排序（尾递归优化） """
# 子数组长度为 1 时终止
while left < right: