olofmoriya/sudoku

Small iPhone application that generates and solves sudoku

Sudoku

Small iPhone application that generates and solves sudoku

Features

Solving

• Logic for solving Easy puzzles without guessing
• Logic for solving Medium puzzles without guessing
• Logic for solving Hard or "Samurai" level puzzles with bruteforcing guesses

Generating

• Application can generate easy,medium, and hard/samurai puzzles (There is still no difference in hard and samurai level in the generation)

Play

• Sudoku is playable and validates as the last number is filled succefully

Load sudokus from file

• Files in the Data folder, with the extension ".sudoku" is listed and can be loaded as sudokus

TODO:

• Add tests for basic algorithms and creation of sudoku
• Refactor and clean away duplicated code in Sudoku generator
• Inplement x-wing algorithm for solving Hard puzzles without bruteforcing
• Implement Hidden subset algorithm for solving Hard puzzles without bruteforcing
• Add feedback for when user tapps the hidden solving buttons in the main view or remove buttons
• Remove potential issues with background task touching the same datastructure as the user and therefor creating threading issues for data

sudoku's Issues

test issues

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