Validate a Partially Filled Sudoku Board
Company: Verkada
Role: Software Engineer
Category: Coding & Algorithms
Difficulty: medium
Interview Round: Technical Screen
Overview: Validate a partially filled Sudoku board by checking every row, column, and three-by-three box for duplicate digits. The prompt distinguishes validity from solvability and defines empty-cell and fixed-board representations for a deterministic Boolean result.
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