hyperbolechi的专栏

Given a sorted array with unique interger elements write an algorithm to create a binary search tree with minimal heightarr=[10,9,8,7,6,5,4,3,2,1]we recursively build the tree based on the a

Problem:You are given a binary tree in which each node contains a value. Design an algorithm to print all paths which sum to a given value. The path does not need to start or end at the root or a le

Implement a function to check if a binary tree is balanced.Solution:We need to define two functions one to check the depth of nodes, another need to compare the depth.Firstly, we build the test

Given two node, find the lowest common ancestor.based on the problem description there are two possible solutions:def covers(root,val): if root==None: return False if root.val==v