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krahets
2023-10-14 22:14:46 +08:00
parent c641987cd8
commit eda4539790
8 changed files with 212 additions and 212 deletions
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36
docs/chapter_stack_and_queue/stack.md
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@ -345,41 +345,41 @@ comments: true
def __init__(self):
"""构造方法"""
self.__peek: ListNode | None = None
self.__size: int = 0
self._peek: ListNode | None = None
self._size: int = 0
def size(self) -> int:
"""获取栈的长度"""
return self.__size
return self._size
def is_empty(self) -> bool:
"""判断栈是否为空"""
return not self.__peek
return not self._peek
def push(self, val: int):
"""入栈"""
node = ListNode(val)
node.next = self.__peek
self.__peek = node
self.__size += 1
node.next = self._peek
self._peek = node
self._size += 1
def pop(self) -> int:
"""出栈"""
num = self.peek()
self.__peek = self.__peek.next
self.__size -= 1
self._peek = self._peek.next
self._size -= 1
return num
def peek(self) -> int:
"""访问栈顶元素"""
if self.is_empty():
raise IndexError("栈为空")
return self.__peek.val
return self._peek.val
def to_list(self) -> list[int]:
"""转化为列表用于打印"""
arr = []
node = self.__peek
node = self._peek
while node:
arr.append(node.val)
node = node.next
@ -1111,35 +1111,35 @@ comments: true
def __init__(self):
"""构造方法"""
self.__stack: list[int] = []
self._stack: list[int] = []
def size(self) -> int:
"""获取栈的长度"""
return len(self.__stack)
return len(self._stack)
def is_empty(self) -> bool:
"""判断栈是否为空"""
return self.__stack == []
return self._stack == []
def push(self, item: int):
"""入栈"""
self.__stack.append(item)
self._stack.append(item)
def pop(self) -> int:
"""出栈"""
if self.is_empty():
raise IndexError("栈为空")
return self.__stack.pop()
return self._stack.pop()
def peek(self) -> int:
"""访问栈顶元素"""
if self.is_empty():
raise IndexError("栈为空")
return self.__stack[-1]
return self._stack[-1]
def to_list(self) -> list[int]:
"""返回列表用于打印"""
return self.__stack
return self._stack
```
=== "C++"