mirror of
https://github.com/krahets/hello-algo.git
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1. Add the building util of Python
for the markdown docs. 2. Update the deploy.sh
This commit is contained in:
86
docs/chapter_stack_and_queue/queue.md
Normal file → Executable file
86
docs/chapter_stack_and_queue/queue.md
Normal file → Executable file
@@ -398,49 +398,7 @@ comments: true
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=== "Python"
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```python title="linkedlist_queue.py"
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""" 基于链表实现的队列 """
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class LinkedListQueue:
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def __init__(self):
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self.__front = None # 头结点 front
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self.__rear = None # 尾结点 rear
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self.__size = 0
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""" 获取队列的长度 """
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def size(self):
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return self.__size
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""" 判断队列是否为空 """
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def is_empty(self):
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return not self.__front
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""" 入队 """
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def push(self, num):
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# 尾结点后添加 num
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node = ListNode(num)
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# 如果队列为空,则令头、尾结点都指向该结点
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if self.__front is None:
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self.__front = node
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self.__rear = node
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# 如果队列不为空,则将该结点添加到尾结点后
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else:
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self.__rear.next = node
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self.__rear = node
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self.__size += 1
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""" 出队 """
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def poll(self):
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num = self.peek()
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# 删除头结点
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self.__front = self.__front.next
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self.__size -= 1
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return num
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""" 访问队首元素 """
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def peek(self):
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if self.size() == 0:
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print("队列为空")
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return False
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return self.__front.val
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[class]{LinkedListQueue}-[func]{}
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```
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=== "Go"
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@@ -881,47 +839,7 @@ comments: true
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=== "Python"
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```python title="array_queue.py"
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""" 基于环形数组实现的队列 """
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class ArrayQueue:
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def __init__(self, size):
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self.__nums = [0] * size # 用于存储队列元素的数组
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self.__front = 0 # 队首指针,指向队首元素
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self.__size = 0 # 队列长度
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""" 获取队列的容量 """
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def capacity(self):
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return len(self.__nums)
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""" 获取队列的长度 """
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def size(self):
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return self.__size
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""" 判断队列是否为空 """
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def is_empty(self):
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return self.__size == 0
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""" 入队 """
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def push(self, num):
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assert self.__size < self.capacity(), "队列已满"
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# 计算尾指针,指向队尾索引 + 1
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# 通过取余操作,实现 rear 越过数组尾部后回到头部
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rear = (self.__front + self.__size) % self.capacity()
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# 尾结点后添加 num
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self.__nums[rear] = num
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self.__size += 1
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""" 出队 """
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def poll(self):
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num = self.peek()
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# 队首指针向后移动一位,若越过尾部则返回到数组头部
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self.__front = (self.__front + 1) % self.capacity()
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self.__size -= 1
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return num
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""" 访问队首元素 """
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def peek(self):
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assert not self.is_empty(), "队列为空"
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return self.__nums[self.__front]
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[class]{ArrayQueue}-[func]{}
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```
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=== "Go"
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61
docs/chapter_stack_and_queue/stack.md
Normal file → Executable file
61
docs/chapter_stack_and_queue/stack.md
Normal file → Executable file
@@ -378,39 +378,7 @@ comments: true
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=== "Python"
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```python title="linkedlist_stack.py"
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""" 基于链表实现的栈 """
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class LinkedListStack:
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def __init__(self):
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self.__peek = None
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self.__size = 0
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""" 获取栈的长度 """
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def size(self):
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return self.__size
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""" 判断栈是否为空 """
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def is_empty(self):
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return not self.__peek
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""" 入栈 """
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def push(self, val):
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node = ListNode(val)
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node.next = self.__peek
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self.__peek = node
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self.__size += 1
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""" 出栈 """
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def pop(self):
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num = self.peek()
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self.__peek = self.__peek.next
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self.__size -= 1
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return num
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""" 访问栈顶元素 """
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def peek(self):
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# 判空处理
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if not self.__peek: return None
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return self.__peek.val
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[class]{LinkedListStack}-[func]{}
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```
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=== "Go"
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@@ -785,32 +753,7 @@ comments: true
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=== "Python"
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```python title="array_stack.py"
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""" 基于数组实现的栈 """
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class ArrayStack:
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def __init__(self):
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self.__stack = []
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""" 获取栈的长度 """
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def size(self):
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return len(self.__stack)
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""" 判断栈是否为空 """
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def is_empty(self):
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return self.__stack == []
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""" 入栈 """
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def push(self, item):
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self.__stack.append(item)
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""" 出栈 """
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def pop(self):
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assert not self.is_empty(), "栈为空"
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return self.__stack.pop()
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""" 访问栈顶元素 """
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def peek(self):
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assert not self.is_empty(), "栈为空"
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return self.__stack[-1]
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[class]{ArrayStack}-[func]{}
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```
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=== "Go"
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