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题解 | #求二叉树的前序遍历#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # # @param root TreeN...

Python3

2021-10-25

1 416

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 # # # @param root TreeN...

Python3

2021-10-25

1 482

题解 | #链表排序#

# class ListNode: # def __init__(self, x): # self.val = x # self.next = None # # # @param head ListNode类 # @return ListNode类 # ...

Python3

2021-10-25

1 490

题解 | #多少个点位于同一直线#

# class Point: # def __init__(self, a=0, b=0): # self.x = a # self.y = b # # # @param points Point类一维数组 # @return int整型 # class...

Python3

2021-10-25

0 658

题解 | #后缀表达式求值#

# # # @param tokens string字符串一维数组 # @return int整型 # class Solution: def evalRPN(self , tokens ): # write code here ss = ['+', '-...

Python3

2021-10-25

0 535

题解 | #二叉树的最小深度#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # # @param root TreeN...

Python3

2021-10-25

2 839