Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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In C++
Write a class, named "TwoOrLess" with a header file (two_or_less.hpp) and an implementation file (two_or_less.cpp).
This is a class that acts much like a set, except it can hold 0, 1, or 2 duplicates of an int. You need to support the insert, count, and size methods with the same parameters and return types as the set<int> class (see test cases).
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