More complex satellite tests #2612
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glennj
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mk-mxp
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ErikSchierboom
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ErikSchierboom
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ErikSchierboom
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Nice! I'd be remiss if I didn't take this oppprtunity to share the beauty of Prolog's solution:
:- use_module(library(dcg/basics)).
preorder(nil) --> [].
preorder(node(L, V, R)) --> [V], preorder(L), preorder(R).
inorder(nil) --> [].
inorder(node(L, V, R)) --> inorder(L), [V], inorder(R).
tree_traversals(Tree, Preorder, Inorder) :-
phrase(preorder(Tree), Preorder),
phrase(inorder(Tree), Inorder),
!.
IsaacG
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Nov 25, 2025
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forum: http://forum.exercism.org/t/proposal-for-new-satellite-test-cases/20032