Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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The pseudocode below describes the binary search algorithm. Use the pseudocode to
write a C++ program that implements and tests the binary search algorithm.
Note: YOU MUST FOLLOW THE STEPS IN THE GIVEN PSEUDOCODE. DO NOT
USE ALTERNATIVE ALGORITHMS.
Pseudocode: The Binary Search Algorithm
1 procedure binary search (x: integer, a1,a2,...,an: increasing integers)
2 i:= 1{i is left endpoint of search interval}
3 j:= n {j is right endpoint of search interval}
4 while i < j
m := [(i+j)/2]
6.
if x>am then i := m + 1
else j := m
if x=a; then location := i
else location := 0
7
8.
9.
return loc ation {location is the subscript i of the term a equal to x,
11 or 0 if x is not found)
10
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Transcribed Image Text:The pseudocode below describes the binary search algorithm. Use the pseudocode to write a C++ program that implements and tests the binary search algorithm. Note: YOU MUST FOLLOW THE STEPS IN THE GIVEN PSEUDOCODE. DO NOT USE ALTERNATIVE ALGORITHMS. Pseudocode: The Binary Search Algorithm 1 procedure binary search (x: integer, a1,a2,...,an: increasing integers) 2 i:= 1{i is left endpoint of search interval} 3 j:= n {j is right endpoint of search interval} 4 while i < j m := [(i+j)/2] 6. if x>am then i := m + 1 else j := m if x=a; then location := i else location := 0 7 8. 9. return loc ation {location is the subscript i of the term a equal to x, 11 or 0 if x is not found) 10
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