Valid Parentheses( Leetcode #20 ) | Using JavaScript | Heaps | Amazon | Facebook | Blind 75
🔍 Problem:
We're diving into the Valid Parenthesis problem using JavaScript and the stack data structure. But here's the catch: we're exploring how to tackle it when faced with multiple types of parenthesis.
🧠 Approach:
While using a counter can be insightful, the real hero of this solution is the stack. By leveraging a stack data structure, we'll effectively manage the opening and closing parenthesis pairs, ensuring their validity.
Time: O(n)
Space: O(n)
💻 Coding Session:
Join me in this coding session where we implement the stack-based solution step by step. From pushing opening parenthesis onto the stack to popping them off when encountering their corresponding closings, we'll cover it all.
🚀 Key Learnings:
Mastering the stack data structure not only helps in solving this problem but also opens doors to efficiently tackle a wide array of coding challenges.
📎 Problem Link:
https://leetcode.com/problems/valid-p...
🔗 Solution Link:
https://github.com/mohanmanis/Lecture...
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⚡️ Timestamps:
0:00 - Introduction
0:12 - Question Explanation
0:58 - Some examples
5:15 - Observation from examples
7:05 - Counter approach which works for only one type
9:25 - Dry run using Stack approach
6:03 - Intution of third approach
12:24 - Javascript implementation
#Algorithm #DataStreams #Programming #Coding #subscribenow
#leetcodesolutions #leetcodequestions #blind75 #stack #leetcodeinjavascript 🚀🔢💻
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