This application arranges numbers from 1 to n in all squares of a quadrilateral board consisting of n x n (n = 5, 7, 9) squares, and arranges numbers from 1 to n in rows or columns with multiple same numbers. It is a puzzle that leaves only one square and excludes other squares. However, the selected exclusion squares cannot be adjacent to each other vertically and horizontally. Also, the remaining squares must be connected to each other on the board (that is, the squares left by the excluded squares cannot be surrounded).
1. Create a puzzle
First, tap one of the squares (5x5, 7x7, 9x9) buttons at the top of the screen. You can change the number of squares later.
There are two ways to create puzzles: A) automatic creation, B) manually placing numbers in all squares, and C) pre-specifying the placement of squares other than the final remaining squares. .
For A, when you tap the "Start" button on the screen, numbers will automatically appear in all squares.
For methods B and C, perform the following operations before tapping the "Start" button.
B taps an individual square once (the color of the square turns pale blue) and enters a number in that square using the number buttons at the bottom of the screen. Do this for all squares and tap the "Start" button. The app will determine if the arrangement of the numbers you have entered can be answered, and the message "Unable to answer" or "Verification completed" will be displayed at the top of the screen.
For C, if you tap any square twice in succession, the square will change from light blue to dark blue. In this state, from next time, just tap the square once and it will turn dark blue. To cancel, tap the dark blue square again. As mentioned at the beginning of this explanation, the specified squares must not be adjacent in rows and columns, and the remaining squares must be connected on the board. After specifying the squares, tap the "Start" button. The app will calculate the arrangement of numbers that match your specifications. This may take some time. In that case, tap the "Stop" button (the "Start" button changes to the "Stop" button during puzzle creation) and start over.
2. how to solve the puzzle
You can solve the created puzzle when the "Start" button changes to the "Clear" button.
From the numbers 1 to n placed in all the squares on the board, leave only one square in each row or column with the same number so that there are not more than two same numbers left in each row or column. I will tap the square of. The tapped square changes from colorless to dark blue, and the number changes from black to red. If you tap the square again, the color will return to the original color and the selection will be canceled. Choose so that the selected squares are not next to each other in the row or column, and the remaining squares are not surrounded by the selected squares. When the correct answer is reached, the message "Correct" is displayed at the top of the screen. If you are not sure which number to exclude, tap the "Next answer" button to display the answer.
1. Create a puzzle
First, tap one of the squares (5x5, 7x7, 9x9) buttons at the top of the screen. You can change the number of squares later.
There are two ways to create puzzles: A) automatic creation, B) manually placing numbers in all squares, and C) pre-specifying the placement of squares other than the final remaining squares. .
For A, when you tap the "Start" button on the screen, numbers will automatically appear in all squares.
For methods B and C, perform the following operations before tapping the "Start" button.
B taps an individual square once (the color of the square turns pale blue) and enters a number in that square using the number buttons at the bottom of the screen. Do this for all squares and tap the "Start" button. The app will determine if the arrangement of the numbers you have entered can be answered, and the message "Unable to answer" or "Verification completed" will be displayed at the top of the screen.
For C, if you tap any square twice in succession, the square will change from light blue to dark blue. In this state, from next time, just tap the square once and it will turn dark blue. To cancel, tap the dark blue square again. As mentioned at the beginning of this explanation, the specified squares must not be adjacent in rows and columns, and the remaining squares must be connected on the board. After specifying the squares, tap the "Start" button. The app will calculate the arrangement of numbers that match your specifications. This may take some time. In that case, tap the "Stop" button (the "Start" button changes to the "Stop" button during puzzle creation) and start over.
2. how to solve the puzzle
You can solve the created puzzle when the "Start" button changes to the "Clear" button.
From the numbers 1 to n placed in all the squares on the board, leave only one square in each row or column with the same number so that there are not more than two same numbers left in each row or column. I will tap the square of. The tapped square changes from colorless to dark blue, and the number changes from black to red. If you tap the square again, the color will return to the original color and the selection will be canceled. Choose so that the selected squares are not next to each other in the row or column, and the remaining squares are not surrounded by the selected squares. When the correct answer is reached, the message "Correct" is displayed at the top of the screen. If you are not sure which number to exclude, tap the "Next answer" button to display the answer.
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