*/classSolution{public List<Integer>inorderTraversal(TreeNode root){List<Integer>result=newLinkedList<>();TreeNode current=root;TreeNode prev=null;while(current!=null){// left firstif(current.left==null){result.add(current.val);current=current.right;}// if there is left, get the rightmost ...
1vector<int> preorderTraversal(TreeNode*root) {2vector<int>rVec;3if(!root)4returnrVec;56stack<TreeNode *>st;7st.push(root);8while(!st.empty())9{10TreeNode *tree =st.top();11rVec.push_back(tree->val);12st.pop();13if(tree->right)14st.push(tree->right);15if(tree->left)1...
preorderTraversal(result, root.right); } public void postorderTraversal(List<Integer> result, TreeNode root){ if(root==null) return; postorderTraversal(result, root.left); postorderTraversal(result, root.right); result.add(root.val); } public void inorderTraversal(List<Integer> result, Tree...
1/**2* Definition for a binary tree node.3* struct TreeNode {4* int val;5* TreeNode *left;6* TreeNode *right;7* TreeNode(int x) : val(x), left(NULL), right(NULL) {}8* };9*/10classSolution {11public:12vector<int> preorderTraversal(TreeNode*root) {13vector<int>rVec;14pr...
(pre-order, in-order, post-order) 第5R講〡Week 06〡Binary Expression, Syntax Tree 第6R講〡Week 07〡Calculator, Compiler (lexer, parser) 第7R講〡Week 08〡Assembly, Computer Architecture 第8R講〡Week 09〡C++ Introduction (syntax, I/O, array, class) 第9R講〡Week 10〡C++ Classes (...
The program creates a binary tree for breadth-first traversal.But i'm trying to use Pre-Order, In-Order, Post-Order Traversal and actually i can't do that. The output of the program is not what i expected. I think i should change the preorder, inorder or postorder functions but i ...
2#LeetCode 94. Binary Tree Inorder Traversal Given a binary tree, return the inorder traversal of its nodes' values. Note: Recursive solution is trivial, could you do it iteratively? Inorder: left, root, right Recursive version:/** ...
树,有二叉树,二叉搜索树,B+树,红黑树,AVL树等等。树通过递归定义,一个根节点有左右两个子树,这两个子树也是一棵树。前序Preorder: 先访问根节点,然后访问左子树,最后访问右子树。子树递归同理 中序 Inord…
Is there a way to print out numbers for pre-order, post-order and in-order traversals of trees using just recursion and a number. The trees are binary and n is the numbe
阅读13.5k发布于2016-10-07 KirkBai 27声望6粉丝 « 上一篇 LeetCode 279: Perfect Squares 下一篇 » 机械臂学习笔记(1) 引用和评论 注册登录 获取验证码 新手机号将自动注册 登录 微信登录免密码登录密码登录 继续即代表同意《服务协议》和《隐私政策》...