Write a C++ function called first_alpha that takes three string parameters and returns the string that comes first alphabetically from among those three. You may assume that the strings are all lowercase.
Write a C++ function called first_alpha that takes three string parameters and returns the string that comes first alphabetically from among those three. You may assume that the strings are all lowercase.
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
Section: Chapter Questions
Problem 1PE
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Question
Write a C++ function called first_alpha that takes three string parameters and returns the string that comes first alphabetically from among those three. You may assume that the strings are all lowercase.
Expert Solution
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Step 1
Algorithm:
1. Start
2. Initialize strings str1, str2, and str3
3. Compare str1 with str2 and str3
4. If str1 < str2 and str3, then return str1
5. Else, compare str2 with str1 and str3
6. If str2 < str1 and str3, then return str2
7. Else, compare str3 with str1 and str2
8. If str3 < str1 and str2, then return str3
9. Else, return "No string found!"
10. End
Step by step
Solved in 4 steps with 2 images
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