Validate Binary Search Tree Leetcode Solution
Given the root of a binary tree, determine if it is a valid binary search tree (BST). A valid BST is defined as follows: The left subtree of a node…
Count Complete Tree Nodes Leetcode Solution
Given the root of a complete binary tree, return the number of the nodes in the tree.According to Wikipedia, every level,except possibly the last, is completely
Binary Tree Right Side View Leetcode Solution
Given the root of a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom.
Binary Tree Level Order Traversal Leetcode Solution
Given the root of a binary tree, return the level order traversal of its nodes' values. (i.e., from left to right, level by level).
Palindrome Number Leetcode Javascript Solution
Question 9. Palindrome Number – Leetcode Javascript Solution Difficulty Easy Question Type String Question Link https://leetcode.com/problems/palindrome-number/ Problem Description : Given an integer x, return true if x is palindrome integer. An…
Find First and Last Position of Element in Sorted Array
Question 34. Find First and Last Position of Element in Sorted Array – Leetcode Javascript Solution Difficulty Medium Question Type Array Question Link https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ Problem Description : Given an array of…
Kth Largest Element in an Array leetcode solution
Question 215. Kth Largest Element in an Array – Leetcode Javascript Solution Difficulty Medium Question Type Array Question Link https://leetcode.com/problems/kth-largest-element-in-an-array/ Problem Description : Given an integer array nums and an…