Why is this true?


  • 0
    L

    Input: [".87654321","2........","3........","4........","5........","6........","7........","8........","9........"]
    Output: false
    Expected: true

    The first number in the first row must be 9, and is in the same column with the 9 in the last row.


  • 5
    S

    Here is a notice in problem description.

    Note:
    A valid Sudoku board (partially filled) is not necessarily solvable. Only the filled cells need to be validated.

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