MediumArrays & Hashing
Valid Sudoku
Validate sudoku board
Solution Approach
Use sets for rows, cols, boxes
Complexity Analysis
Time Complexity
O(1)Space Complexity
O(1)Complexity
Time:O(1)
Space:O(1)
Asked at
AppleUber
Validate sudoku board
Use sets for rows, cols, boxes
Time Complexity
O(1)Space Complexity
O(1)