Category: Javascript
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LeetCode 112. Path Sum Solution | Javascript | Leetcode
Problem: → https://leetcode.com/problems/path-sum/ Given the root of a binary tree and an integer targetSum, return true if the tree has a root-to-leaf path such that adding up all the values along the path equals targetSum. A leaf is a node with no children. Example 1: Input: root = [5,4,8,11,null,13,4,7,2,null,null,null,1], targetSum = 22Output: trueExplanation: The root-to-leaf path with the target sum is shown. Example 2: Input:…
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JavaScript: Arrays vs Sets
In ES2015, we got a new data type Set. Most developers are quite familiar with Arrays. Therefore, in this blog post, we will take a look at the differences between Array & Set. What is a Set and an Array? Set Set is a data type that stores data that are unique values of any type, whether primitive or…