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题解 | #滑动窗口的最大值#

# -*- coding:utf-8 -*- class Solution: def maxInWindows(self, num, size): if not num or size<=0 or size>len(num): return...

Python3

2022-03-11

0 304

题解 | #包含min函数的栈#

# -*- coding:utf-8 -*- class Solution: def __init__(self): self.stack = [] def push(self, node): # write code here ...

Python3

2022-03-11

0 258

题解 | #用两个栈实现队列#

# -*- coding:utf-8 -*- class Solution: def __init__(self): self.stack1 = [] self.stack2 = [] def push(self, node): # w...

Python3

2022-03-11

0 243

题解 | #二叉树的后序遍历#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # 代码中的类名、方法名、参数名已经指定，请勿...

Python3

2022-03-10

1 369

题解 | #二叉树的前序遍历#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # 代码中的类名、方法名、参数名已经指定，请勿...

Python3

2022-03-10

0 288

题解 | #二叉树的中序遍历#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # 代码中的类名、方法名、参数名已经指定，请勿...

Python3

2022-03-10

2 310

题解 | #序列化二叉树#

# -*- coding:utf-8 -*- # class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None fr...

Python3

2022-03-10

1 287

题解 | #在二叉树中找到两个节点的最近公共祖先#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # 代码中的类名、方法名、参数名已经指定，请勿...

Python3

2022-03-09

0 320

题解 | #二叉搜索树的最近公共祖先#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # 代码中的类名、方法名、参数名已经指定，请勿...

Python3

2022-03-09

4 437

题解 | #判断是不是平衡二叉树#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # 代码中的类名、方法名、参数名已经指定，请勿...

Python3

2022-03-09

0 255