Given a binary tree, find the largest subtree which is a Binary Search Tree (BST), where largest means subtree with largest number of nodes in it. ...
Given two non empty binary treessandt, check whether treethas exactly the same structure and node values with a subtree ofs. A subtree ofsis a tree consists of a node insand all of this node s descen ...
2017-05-09 01:01 0 9476 推薦指數:
Given a binary tree, find the largest subtree which is a Binary Search Tree (BST), where largest means subtree with largest number of nodes in it. ...
Given a binary tree rooted at `root`, the *depth* of each node is the shortest distance to the root. A node is deepest if it has the largest depth ...
Given the root of a tree, you are asked to find the most frequent subtree sum. The subtree sum of a node is defined as the sum of all the node ...
問題 判斷一棵樹是否是另一棵樹的子樹,如圖 思路 問題分兩步: 找值相同的根結點(遍歷解決) 判斷兩結點是否包含(遞歸:值、左孩子、右孩子分別相同) 樹節點定義 代碼 執行 View Code ...
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric ...
An undirected, connected tree with `N` nodes labelled `0...N-1` and `N-1` `edges` are given. The ith edge connects nodes edges[i][0] and edges[i ...
make up a valid tree. For example: Given n = 5 and ...
Given two binary trees, write a function to check if they are the same or not. Two binary trees ...