fast-sudoku-solver
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A fast Sudoku solver written in TypeScript.
25 lines • 1.33 kB
JavaScript
import { solveNextNumber } from './sudoku-solver/next-number-solver';
import { solveSudokuPuzzle } from './sudoku-solver/sudoku-solver';
/**
* Solves Sudoku puzzles. The first entry of the returned array is *false* if the Sudoku puzzle is not solvable.
* @param sudoku Sudoku puzzle to solve
* @returns solved Sudoku puzzle. The first entry of the returned array is *false* if the Sudoku puzzle is not solvable.
*/
export function solveSudoku(sudoku) {
return solveSudokuPuzzle(sudoku);
}
/**
* Calculates the next number for the specified Sudoku puzzle.
* The function returns whether the puzzle *isSolvable*, and it returns the *row*, the *column*, and the *entry* itself for the next number.
*
* In particular, the function returns the entry for the field with the fewest number of possible entries.
* For instance, if there is a field with 7 possible entries and another field with only 2 possible entries, a correct entry for the latter is returned.
*
* **NOTE:** If the Sudoku puzzle is already completely solved, this function returns value -1 for *row*, *column*, and *entry*.
* @param sudoku the Sudoku puzzle for which the next entry should be calculated
* @returns the entry for the next field
*/
export function nextNumber(sudoku) {
return solveNextNumber(sudoku);
}
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