二叉树(Binary Tree)是一种树形数据结构,由节点构成,每个节点最多有两个子节点:一个左子节点和一个右子节点。 代码语言:java 复制 publicclassTreeNode{intval;TreeNodeleft;TreeNoderight;TreeNode(intval){this.val=val;}} 基本概念 "二叉树"(Binary Tree)这个名称的由来是因为二叉树的每个节点最多有两个子...
一般来说,节点多指计算机网络中的物理节点,而算法中的Node通常译为结点。 结点的度(degrees):结点子树的个数。 结点的层(levels):如果根结点的层定义为1(有时候定义为0),根的子结点为第2层结点,以此类推。 树的深度:树中最大的结点层。 满二叉树(Full Binary Tree):除叶子结点的度为0外,其余所有结点的度...
1template<classT>2classBinaryTreeNode3{4friendclassBinaryTree<T>;5private:6T element;//结点的数据域7BinaryTreeNode<T>* LeftChild;//结点的左孩子结点8BinaryTreeNode<T>* RightChild;//结点的右孩子结点9public:10BinaryTreeNode();11BinaryTreeNode(constT&ele);12BinaryTreeNode(constT& ele, Binary...
public void setLeft(BinaryTreeNode<T> left) { this.left = left; } public void insertLeft(T data) { setLeft(new BinaryTreeNode<T>(data)); } public void setRight(BinaryTreeNode<T> right) { this.right = right; } public void insertRight(T data) { setRight(new BinaryTreeNode<T>(da...
* Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), right(NULL) {} * }; */ class Solution { public: bool checkSubTree(TreeNode* t1, TreeNode* t2) { ...
1. Maximum Depth of Binary Tree 解法1: class Solution: def maxDepth(self, root: TreeNode) -> int: self.answer = 0 self.helper(root,0) return self.answer def helper(self,node,depth): if node is None: self.answer=max(self.answer,depth) ...
yunzheyue/binaryTreeNodemaster 1 branch 0 tags Code Latest commityunzheyue first 448d878 Aug 3, 2018 Git stats 1 commit FilesFailed to load latest commit information. Type Name Latest commit message Commit time src .gitignore app11.iml build.gradle proguard-rules.pro ...
每个节点node包含三部分:数据域elem,指向左子树的的指针lchild,指向右子树的指针rchild 二叉树遍历 深度优先,一般用递归 先序Preorder 中序Inorder 后序Postorder 广度优先,一般用队列 真二叉树 Proper Binary Tree 所有节点的度都为0或2 满二叉树 Full Binary Tree ...
BinaryTreeNode<String>e = new BinaryTreeNode<String>("e", null, f); BinaryTreeNode<String>a = new BinaryTreeNode<String>("a", b, e); BinaryTree<String>binaryTree = new BinaryTree<String>(); System.out.print("preOder:");
二叉树序列化和反序列化 -- 297 Serialize and Deserialize Binary Tree (hard) 折纸问题 1. 二叉树结构: // Definition for a binary tree node.publicclassTreeNode{intval;TreeNode left;//pointer to left childTreeNode right;//pointer to right childTreeNode(){}TreeNode(intval){this.val=val;}Tree...