Consider a binary search tree T whose keys are distinct. Show that if the right sub tree
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Consider a binary search tree T whose keys are distinct. Show that if the right sub tree of a node x in T is empty and x has a successor y, then y is the lowest ancestor of x whose left child is also an ancestor of x. (Recall that every node is its own ancestor.)
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Introduction to Algorithms
ISBN: 978-0262033848
3rd edition
Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest
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