6.5-1 Illustrate the operation of HEAP-EXTRACT-MAX on the heap A = (15, 13, 9, 5, 12, 8, 7, 4, 0, 6, 2, 1).

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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use figure 6.5 to answer the question

6.5-1
Illustrate the operation of HEAP-EXTRACT-MAX on the heap A = (15, 13, 9, 5,
12, 8, 7, 4, 0, 6, 2, 1).
Transcribed Image Text:6.5-1 Illustrate the operation of HEAP-EXTRACT-MAX on the heap A = (15, 13, 9, 5, 12, 8, 7, 4, 0, 6, 2, 1).
8
15
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(b)
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(d)
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3
Figure 6.5 The operation of HEAP-INCREASE-KEY. (a) The max-heap of Figure 6.4(a) with a
node whose index is i heavily shaded. (b) This node has its key increased to 15. (c) After one
iteration of the while loop of lines 4-6, the node and its parent have exchanged keys, and the index i
moves up to the parent. (d) The max-heap after one more iteration of the while loop. At this point,
A[PARENT(i)] ≥ A[i]. The max-heap property now holds and the procedure terminates.
Transcribed Image Text:8 15 14 14 16 16 10 10 3 3 14 15 14 15 7 16 (b) 16 (d) 10 10 3 Figure 6.5 The operation of HEAP-INCREASE-KEY. (a) The max-heap of Figure 6.4(a) with a node whose index is i heavily shaded. (b) This node has its key increased to 15. (c) After one iteration of the while loop of lines 4-6, the node and its parent have exchanged keys, and the index i moves up to the parent. (d) The max-heap after one more iteration of the while loop. At this point, A[PARENT(i)] ≥ A[i]. The max-heap property now holds and the procedure terminates.
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