LeetCode 102. Binary Tree Level Order Traversal - Interview Prep Ep 70

YouTube Excerpt: ⭐ Shop on Amazon to support me: https://www.amazon.com/?tag=fishercoder0f-20 ⭐ NordVPN to protect your online privacy: https://go.nordvpn.net/aff_c?offer_id=15&aff_id=82405&url_id=902 ⭐ NordPass to help manage all of your passwords: https://go.nordpass.io/aff_c?offer_id=488&aff_id=82405&url_id=9356 LeetCode 102. Binary Tree Level Order Traversal: https://leetcode.com/problems/binary-tree-level-order-traversal/ ⭐ Support my channel and connect with me: https://www.youtube.com/channel/UCPL5uAbYQ40HwAdOe4ikI0w/join Solutions explained: We can use a queue to help us keep track of the nodes of each level, before processing each level's nodes, we'll use a temp variable to hold the size of the current queue so that we know when to stop polling (next level). After adding the current node's value into the list, we'll check if it has left and right children, we'll append them into the queue if there's any. Time complexity: O(n) Space complexity: O(n) // TOOLS THAT I USE: ○ Memory Foam Set Keyboard Wrist Rest Pad - https://amzn.to/3cOGOAj ○ Electric Height Adjustable Standing Desk - https://amzn.to/2S9YexJ ○ Apple Magic Keyboard (Wireless, Rechargable) - https://amzn.to/36gy5FJ ○ Apple Magic Trackpad 2 (Wireless, Rechargable) - https://amzn.to/36ltimu ○ Apple MacBook Pro - https://amzn.to/30iSvKE ○ All-In One Printer - https://amzn.to/34etmSi ○ Apple AirPods Pro - https://amzn.to/2GpVYQf ○ My new favorite Apple Watch - https://amzn.to/2EIIUFd // MY FAVORITE BOOKS: ○ Introduction to Algorithms - https://amzn.to/36hxHXD ○ Designing Data-Intensive Applications - https://amzn.to/2S7snOg ○ Head First Java - https://amzn.to/2ScLDKa ○ Design Patterns - https://amzn.to/2SaGeU2 Follow me on Github for complete LeetCode solutions: https://github.com/fishercoder1534/Leetcode Support me on Patreon: https://www.patreon.com/fishercoder My ENTIRE Programming Equipment and Computer Science Bookshelf: https://www.amazon.com/shop/fishercoder And make sure you subscribe to my channel! Your comments/thoughts/questions/advice will be greatly appreciated! #softwareengineering #leetcode #algorithms #coding #interview #SDE #SWE #SiliconValley #programming #datastructures

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