In the merge-sort tree shown in Figures 12.2 through 12.4, some edges are drawn as arrows. What

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In the merge-sort tree shown in Figures 12.2 through 12.4, some edges are drawn as arrows. What is the meaning of a downward arrow? How about an upward arrow?

Figures 12.2

85 24 45 17 31 96 50 17 31 96 50 85 24 45 (a) (b) 17 31 96 50 17 31 96 50 63 45 63 45 85 24 24 (c) (d) 17 31 96 50 17 31

Figures 12.4

17 31 50 63 (0) (p) nou

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Data Structures and Algorithms in Java

ISBN: 978-1118771334

6th edition

Authors: Michael T. Goodrich, Roberto Tamassia, Michael H. Goldwasser

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