Sudoku Solver

Two modes are designed for the app: play mode and solver mode.- In play mode, the user can get a random sudoku grid with 3 levels.
The score will be calculated according to the level, the time and the number of successful boxes.- In solver mode, the user can enter a missing sudoku grid to solveUser guide:HOW TO PLAY ⍰
➤ How do I enter numbers into a cell?
- Tap a cell to select it - Tap the numbers under the grid to apply - Apply a second time to delete it
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🔀 Solver Mode: - Change the interface in Solver mode - Use it to automatically solve a given grid
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🔀 Play Mode: - Change the interface in Play mode - Use it to solve a given grid yourself
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🗑 Clean: - Clean the selected cell
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🎨 Highlight: - Use it to memorize a cell - Tap to highlight the selected cell - Apply a second time to remove the highlight
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💡 Hint: - Show index number in selected cell
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🔁 New Grid: - In Solver mode: Clean all cells - In Play mode: Create a new grid with the selected level
➤ Level:
🏆: difficult;
🏅: medium;
💛: easy
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🏁 Check: (play mode only) - Tap to check if your solution is correct - Correct cells are displayed in green - Incorrect cells are displayed in red
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💪 Solver: (solver mode only) - Touch to solve the given grid