🔹 Problem: 36 Valid Sudoku


Difficulty: #Medium
Tags: #Array, #HashTable, #Matrix







📝 Problem Summary



You are given a partially filled 9 x 9 Sudoku board. Each row, column, and 3x3 sub-box must not contain duplicate digits (from 1 to 9).
Return true if the board is valid according to Sudoku rules, otherwise return false.

Note: The...