Array-12 | 36. Valid Sudoku | 🔥 Beginner, Medium & Advanced Level! #easy

JOIN MY WHATSAPP COMMUNITY FOR UPDATES: https://chat.whatsapp.com/BTlYJt2pCxj1m3H4aJZOGX Support me 🙌🏻: https://www.buymeacoffee.com/anuj.baranwal.1994 Leetcode: https://leetcode.com/problems/valid-sudoku/description/ Github Repo: https://github.com/team-codebug/leetcode Notes: https://github.com/team-codebug/leetcode/blob/main/DSA_In_90Days/1_Arrays/Array_12_36.%20Valid%20Sudoku.svg 3 Months DSA for Placements! 🚀 Beginner to Advanced Playlist 🔍 Leetcode 36: Valid Sudoku - Efficient Solution Explained! 🔍 🚀 In this video, we tackle the Valid Sudoku problem from Leetcode (#36) and break it down into a simple yet effective approach using 2D arrays to track rows, columns, and boxes. ✅ Approach: 1️⃣ Use three 2D arrays to track seen numbers in: Rows: Ensure no duplicates exist in each row. Columns: Check for duplicates in each column. 3x3 Sub-boxes: Validate that each mini-box follows Sudoku rules. 2️⃣ Iterate through the board and check constraints dynamically while filling the tracking arrays. 📌 What You’ll Learn: ✔️ Problem statement & examples ✔️ Step-by-step coding walkthrough ✔️ Time & space complexity analysis ✔️ Edge cases and best practices 📢 Subscribe for more coding solutions & DSA tips! 💬 Got questions? Drop a comment below, and let’s discuss! 🚀 🔖 Hashtags: #Leetcode #ValidSudoku #CodingInterview #DataStructures #Algorithms #Leetcode36 #Python #Java #CPlusPlus #DSA #SoftwareEngineering #CodingChallenge #InterviewPreparation #Programming #SudokuValidation #2DArrays #EfficientCoding =========================== ➡️ Connect with me: LinkedIn : https://www.linkedin.com/in/anuj-kumar-9a188968/ Instagram : https://www.instagram.com/mr.anuj.brandy/ Discord : https://discord.com/invite/bbJXxFcauK ===========================