10 lines
331 B
Prolog
10 lines
331 B
Prolog
increment(leaf(X), leaf(s(X))).
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increment(node(L, N, R), node(IncL, s(N), IncR)) :- increment(L, IncL),
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increment(R, IncR).
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myAppend([], YS, YS).
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myAppend([X|XS], YS, [X|Res]) :- myAppend(XS, YS, Res).
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inorder(leaf(X), [X]).
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inorder(node(L, N, R), Res) :- inorder(L, LRes), inorder(R, RRes),
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myAppend(LRes, [N|RRes], Res).
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