Sudoku Grid Validator
Check that a 9×9 Sudoku grid uses digits 0–9 and has no repeated nonzero value in any row, column, or 3×3 box. Zero represents an empty cell.
Description
Check that a 9×9 Sudoku grid uses digits 0–9 and has no repeated nonzero value in any row, column, or 3×3 box. Zero represents an empty cell.
Sudoku Grid Validator is a focused tool for the following task. Check that a 9×9 Sudoku grid uses digits 0–9 and has no repeated nonzero value in any row, column, or 3×3 box. Zero represents an empty cell. It reports valid, complete from the values you provide rather than inventing measurements, coefficients, or professional judgment that are not part of the input.
When to use Sudoku Grid Validator
Use this text operation when its stated character encoding, token boundaries, normalization, case handling, and output format match the surrounding workflow.
- grid
- Required list.
The cited overview of Data validation supplies background for the terminology and domain context used by this tool.1
How Sudoku Grid Validator works
Check that a 9×9 Sudoku grid uses digits 0–9 and has no repeated nonzero value in any row, column, or 3×3 box. Zero represents an empty cell. Inputs are interpreted exactly in the displayed units and the calculation returns the following fields without presentation rounding.
- valid
- Returned boolean.
- complete
- Returned boolean.
Limitations and assumptions
- Unicode normalization, locale, grapheme clusters, malformed input, ambiguous syntax, and implementation-specific conventions can change text-processing results.
- Use finite inputs in the displayed units, preserve source measurements and assumptions, and independently verify consequential decisions.
Alternative or Complementary approaches
Preserve the original text, test representative non-ASCII and malformed cases, and use a standards-aware parser or serializer when interoperability matters.
References
-
Data validation — Wikipedia contributors
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