NeetCode (8/150) | Valid Sudoku | LC 36

Problem: Valid Sudoku (LeetCode 36)

Part of my NeetCode 150 journey.

In this video, I walk through two approaches to solve Valid Sudoku:

• Brute Force Approach (Checking Rows, Columns & 3x3 Boxes)
• HashSet Approach using 9 Row Sets, 9 Column Sets, and 9 Box Sets (Optimal)
• Time & Space Complexity Analysis

#leetcode #dsa #neetcode #validsudoku #neetcode150 #neet #java #codinginterview #algorithms #programming

Видео NeetCode (8/150) | Valid Sudoku | LC 36 канала Object Disoriented Programming