N-queens problem: Difference between revisions
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{{FormulaeEntry|page=https://formulae.org/?script=examples/N-queens_problem}} |
{{FormulaeEntry|page=https://formulae.org/?script=examples/N-queens_problem}} |
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'''Solution''' |
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The following function: |
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* Is able to calculate solution for chessboards of any size (but it is slow for big chessboards) |
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* It does not detect rotated or reflected solutions |
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This is an example of backtracking: |
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[[File:Fōrmulæ - N-queens problem 01.png]] |
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[[File:Fōrmulæ - N-queens problem 02.png]] |
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[[File:Fōrmulæ - N-queens problem 03.png]] |
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'''Improvement.''' The following functions calls the previous one, but shows the solution on a more friendly way |
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[[File:Fōrmulæ - N-queens problem 04.png]] |
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[[File:Fōrmulæ - N-queens problem 05.png]] |
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[[File:Fōrmulæ - N-queens problem 06.png]] |
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=={{header|GAP}}== |
=={{header|GAP}}== |
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