Just dont ask for assistance too often, though, because every time you ask for a hint, you reduce your final score. Only logic can help you deduce the right numbers, although the game will fill in squares for you if youre stuck. There is a freeze button in the lower left corner to stop scanning so you can write down your answers.The biggest puzzle craze to hit newspapers since the invention of the crossword, Sudoku challenges you to fill an 81-square grid with the numbers one through nine, so that those digits appear only once in each row and column, as well as in each three-by-three subset of the main grid. HD mode - enables the highest resolution of the camera to improve the accuracy of OCR (note: HD mode works well on the latest iPhones, older devices may experience performance issues).
Show possible numbers - possible filled-in numbers are shown in a blank grid (only available when the solution mode is or ). Supports handwritten numbers - as long as they are written clearly.įocused view mode - scanned Sudoku board is enlarged to full screen size.Ĭlear view mode - the scanned Sudoku board is re-rendered with the numbers printed on a clear colored background. If the Sudoku board was solved correctly, a green bounding rectangle will be displayed, otherwise a red rectangle will be displayed, along with the grid with the error. Orange bounding rectangles indicate that the Sudoku board is unsolvable, and unsolvable grids are presented in flashing purple. Red bounding rectangles indicate that the Sudoku board is invalid (conflicting rows/columns/boxes), and invalid grids are presented with a red flash. A valid Sudoku board requires that the numbers in each row/column/box are unique.ĭifferent rectangles drawn on a recognized Sudoku board indicate the results of a checkĪ green bounded rectangle indicates that the Sudoku board is valid and can be solved. Hint a grid - tells you which grid is best to solve on the next move (i.e., fill in the grid with the fewest possible numbers).Ĭhecks if the puzzle board is valid, can be solved and has a single solution, the result of which is displayed superimposed on the camera image. Solve a grid - Solve a random grid for you. Solve all grids - Solve the puzzle completely. You can also pick a photo from the Photos album to solve.Ĭurrently supports 9x9 and 4x4 Sudoku boards. Also, error checks for invalid Sudoku boards are displayed on the camera image. This app identifies and solves Sudoku puzzles in real time and overlays the solution on the camera image. Just realeased my second iOS App: Sudoku Solver Realtime Camera
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