## Leetcode 617. Merge Two Binary Trees

Question Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are…

Question Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are…

Question Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Note: For the purpose of this problem, we define empty string as valid palindrome.…

Question Given a singly linked list, determine if it is a palindrome. Example 1: Input: 1->2 Output: false Example 2: Input: 1->2->2->1 Output: true Follow up: Could you do it…

Question Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example:…

Question Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf…