N-Queen / 8-Queen

Heuristic

Jun 1, 2016

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Android 2.1+
Android OS

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Mengenai N-Queen / 8-Queen

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This is a Java implementation of Classical 8-queen problem proposed by Gauss, C.F.

Three presentations are provided in this implementation (4 to 16 queens are supported in this program) -

1. Solution only: This is because the moving of the backtracking takes a lot of time, so the brief solutions are provided instead.

2. The backtracking version of the program. This shows the moving of the backtracking process.

3. 5 queens to be placed on an 8x8 board so that no two queens attack each other, and no extra new queens could be placed on board.

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Update history -

1.4 use 12-key numeric keypad to enter numbers.

1.3 made some changes on the input interface.

1.2 add unique solutions to 5 queens on 8x8 board.

1.1 add 5 queens on 8x8 chess board - distinct solutions.

1.0 initial version - 4-16 queens problems.

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What's new in the latest 1.8

Last updated on 2016-06-01

1.8 World's first 12-queen playing game is UP.
1.7 fix a bug in 10-queen game, and add 12-queen game soon. (Found the bug when implementing 12-queen game, ^-^)
1.6 add 10-queen play game (user play their own games)
1.5 add 8-queen play game (users play their own games)

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