Professor Teach is concerned that RB-INSERT-FIXUP might set T.nil.color to RED, in which case the test in
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Professor Teach is concerned that RB-INSERT-FIXUP might set T.nil.color to RED, in which case the test in line 1 would not cause the loop to terminate when z is the root. Show that the professor’s concern is unfounded by arguing that RBINSERT- FIXUP never sets T.nil.color to RED.
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Colors are set to red only in cases 1 and 3 and in both situations it is zpp that is red...View the full answer
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Related Book For
Introduction to Algorithms
ISBN: 978-0262033848
3rd edition
Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest
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