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Concept explainers
Palindrome Testing
A palindrome is a string that reads the same backward as forward. For example, the words worn, dad, madam and radar are all palindromes. Write a class Pstring that is derived from the STL string class. The Pstring class adds a member function
bool isPalindrome( )
that determines whether the string is a palindrome. Include a constructor that takes an STL string object as parameter and passes it to the string base class constructor. Test your class by having a main
You may find it useful to use the subscript operator [ ] of the string class: If str is a string object and k is an integer, then str[k] returns the character at position k in the string.
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