Path Sum | LeetCode | Java
According to the problem we have to find the sum from every root-to-leaf path and check whether it is equal […]
leetcode
623. Add One Row to Tree
623. Add One Row to Tree Medium Given the root of a binary tree and two integers val and depth,
Merge In Between Linked Lists | LeetCode | Java
Algorithm Initialization:p1 : A pointer that traverses the head1 list to reach the node before the insertion point (a).p2 :
Word Pattern – LeetCode – Java
Word Pattern is a problem which is solved using Hashmap Let’s take a look at some examples for better understanding