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=== Functional Recursive Backtrack Solution=== |
=== Functional Recursive Backtrack Solution=== |
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{{works with|C sharp|C#| |
{{works with|C sharp|C#|7.0}} |
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<!-- By Martin Freedman, 20/11/2021 --> |
<!-- By Martin Freedman, 20/11/2021 --> |
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<lang csharp>using System.Linq; |
<lang csharp>using System.Linq; |
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