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Rahul Kumar Barnwal @rahulgithub-web

Top Interview 150: Valid Sudoku Board Validation In JavaScript

We'll validate a 9x9 Sudoku board based on rules: each row, column & 3x3 sub-box must contain unique digits 1-9.

Top Interview 150
In this post, we'll solve Valid Sudoku, a classic problem to validate a 9x9 Sudoku board based on specific rules. We'll implement the solution in JavaScript with a clear and efficient approach.


  
  
  🚀 Problem Description

We are given a 9x9 Sudoku board. The goal is to determine if the current board configuration is valid, based on the following rules:

Each row must contain the digits 1-9 without repetition.
Each column must contain the digits 1-9 without repetition.
Each of the nine 3x3 sub-boxes must contain the digits 1-9 without repetition.

💡 Notes:

The board ca...