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krahets
2023-03-03 02:46:12 +08:00
parent 122805bdc9
commit cf9d102ed5
24 changed files with 320 additions and 314 deletions
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chapter_array_and_linkedlist/array.md
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@@ -149,8 +149,8 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
=== "Python"
```python title="array.py"
""" 随机访问元素 """
def random_access(nums):
""" 随机访问元素 """
# 在区间 [0, len(nums)-1] 中随机抽取一个数字
random_index = random.randint(0, len(nums) - 1)
# 获取并返回随机元素
@@ -285,10 +285,8 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
=== "Python"
```python title="array.py"
""" 扩展数组长度 """
# 请注意，Python 的 list 是动态数组，可以直接扩展
# 为了方便学习，本函数将 list 看作是长度不可变的数组
def extend(nums, enlarge):
""" 扩展数组长度 """
# 初始化一个扩展长度后的数组
res = [0] * (len(nums) + enlarge)
# 将原数组中的所有元素复制到新数组
@@ -442,8 +440,8 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
=== "Python"
```python title="array.py"
""" 在数组的索引 index 处插入元素 num """
def insert(nums, num, index):
""" 在数组的索引 index 处插入元素 num """
# 把索引 index 以及之后的所有元素向后移动一位
for i in range(len(nums) - 1, index, -1):
nums[i] = nums[i - 1]
@@ -562,8 +560,8 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
=== "Python"
```python title="array.py"
""" 删除索引 index 处元素 """
def remove(nums, index):
""" 删除索引 index 处元素 """
# 把索引 index 之后的所有元素向前移动一位
for i in range(index, len(nums) - 1):
nums[i] = nums[i + 1]
@@ -694,8 +692,8 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
=== "Python"
```python title="array.py"
""" 遍历数组 """
def traverse(nums):
""" 遍历数组 """
count = 0
# 通过索引遍历数组
for i in range(len(nums)):
@@ -850,8 +848,8 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
=== "Python"
```python title="array.py"
""" 在数组中查找指定元素 """
def find(nums, target):
""" 在数组中查找指定元素 """
for i in range(len(nums)):
if nums[i] == target:
return i