Question
What is the following mystery/2 about? mystery([],[]). mystery([X|Y],Z) :- mystery(Y,W), takeout(X,Z,W). takeout(X,[X|R],R). takeout(X,[F|R],[F|S]) :- takeout(X,R,S). A. append B. prefix C. permutation D. reverse E. suffix
What is the following mystery/2 about? mystery([],[]). mystery([X|Y],Z) :- mystery(Y,W), takeout(X,Z,W). takeout(X,[X|R],R). takeout(X,[F|R],[F|S]) :- takeout(X,R,S).
A. append
B. prefix
C. permutation
D. reverse
E. suffix
F. member
G. sort
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Database Design Using Entity Relationship Diagrams
Authors: Sikha Saha Bagui, Richard Walsh Earp
3rd Edition
103201718X, 978-1032017181
