Asteroid Collision - LeetCode 735 | Medium | LeetCode Study Plan

๐Ÿ”ฅ LeetCode 735 โ€“ Asteroid Collision | Full Explanation + Stack Solution | Day 25 In this video, we break down an interesting stack problem โ€” Asteroid Collision โ€” and learn how to solve it step by step using the Stack data structure. This problem is great for beginners and teaches important concepts: ๐Ÿ‘‰ How to detect when collisions can happen ๐Ÿ‘‰ How to simulate collisions using a stack ๐Ÿ‘‰ How to handle chain reactions in one pass ๐Ÿงฉ Problem Link: https://leetcode.com/problems/asteroi... ๐Ÿ’ก What youโ€™ll learn in this video: Understanding what the problem is asking When asteroids collide and when they donโ€™t Why only positive followed by negative can collide How to think about this problem using Stack Beginner-friendly step-by-step dry run JavaScript implementation explained simply Time and space complexity analysis โšก Approach Covered: ๐Ÿ”น Stack Approach (Optimal Solution) Create an empty stack Traverse each asteroid one by one Push asteroids when no collision is possible Check collision only when top is positive and current is negative Compare sizes and destroy smaller asteroid Continue checking for chain collisions Return remaining asteroids in the stack ๐Ÿš€ Why this problem is important? Strengthens Stack fundamentals Helps understand collision simulation problems Teaches how to handle repeated comparisons efficiently Common interview pattern for stack-based questions ๐ŸŽฏ If you found this helpful: ๐Ÿ‘ Like the video ๐Ÿ’ฌ Comment your doubts or suggest the next problem ๐Ÿ”” Subscribe to jdcodebase for daily LeetCode & DSA content #leetcode #dsa #codinginterview #javascript #stack #asteroidcollision #algorithms #programming #jdcodebase #leetcode75 #day25 ๐Ÿš€