May 2024
Intermediate to advanced
687 pages
18h 35m
English
Content preview from Discrete Mathematical Structures by Pearson
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11-12 Discrete Mathematical Structures
Example 3 Evaluate the prefix expression –↑/* 4 + 87529.
Solution:
15
–
↑
/
*
4 + 87529
60
144
12
136
8 + 7 = 15
15
*
4 = 60
(12)
2
= 144
60 / 5 = 12
144 – 9 = 136
11.4 TREE SEARCHING OR TREE TRAVERSAL
There are situations where one must pass through the tree considering each vertex exactly
once in some specified order. For example, at each vertex of a tree that represents an algebraic
expression, we perform the computation indicated by the operator at that vertex. The process
of visiting each vertex in a systematic way and performing the required computation is called
searching or performing tree search. The process ...
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