链接:https://leetcode-cn.com/problems/binary-tree-inorder-traversal python # 0094.二叉树中序遍历 # 递归 & 迭代 class Solution: def inOrderRecur(self,head: TreeNode) -> int: """ 递归遍历,LNR, 左根右 :param head: :return: """ def traversal(head): # 递归终止条件 ifhead== None: ...
代码 python # Definition for a binary tree node.# class TreeNode(object):# def __init__(self, val=0, left=None, right=None):# self.val = val# self.left = left# self.right = rightdefinorderTraversal(root:TreeNode):""" :type root: TreeNode :rtype: List[int] """rs=[]defdfs...
代码: #Definition for a binary tree node#class TreeNode:#def __init__(self, x):#self.val = x#self.left = None#self.right = NoneclassSolution:#@param root, a tree node#@return a list of integersdefiterative_inorder(self, root, list): stack=[]whilerootorstack:ifroot: stack.append...
importsysimportioclassSolution:def__init__(self):self.min_node=sys.maxsize+1self.res_path=[]self.tree=[]defsmallest_node(self,input_values:list)->list:self.tree=input_values# Find min and add -1 to all empty child nodesforiinrange(len(self.tree)):if0<self.tree[i]<self.min_node:...
同Construct Binary Tree from Inorder and Postorder Traversal(Python版) # Definition for a binary tree node. # class TreeNode: # def __init__(self, val=0, left=None, right=None): # self.val = val # self.left = left # self.right = right class Solution: def buildTree(self, pre...
class treeNode: def __init__(self, x): self.val = x self.left = None self.right = None 深度优先搜索(Depth First Search, DFS)非递归的版本在完整代码中前序遍历 PreOrder Traversal:根-左结点-右结点 def preorder(root): if root is None: return [] return [root.val]...
Given a binary tree, return the inorder traversal of its nodes' values. 主要思路: 1.递归 保持左根右的顺序即可 代码: definorderTraversal(self,root):""" :type root: TreeNode :rtype: List[int] """ifroot==None:return[]left=self.inorderTraversal(root.left)right=self.inorderTraversal(root...
# Definition for a binary tree node. # class TreeNode(object): # def __init__(self, x): # self.val = x # self.left = None # self.right = None classSolution(object): definorderTraversal(self,root): """ :type root: TreeNode ...
* Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), right(NULL) {} * }; */ class Solution { public: /*递归版 vector<int> inorderTraversal(TreeNode *root) { ...
Binary Tree Binary Tree Preorder Traversal Binary Tree Inorder Traversal Binary Tree Postorder Traversal Binary Tree Level Order Traversal Binary Tree Level Order Traversal II Maximum Depth of Binary Tree Balanced Binary Tree Binary Tree Maximum Path Sum Lowest Common Ancestor Invert Bina...