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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I have a syntax error with my program code. Can someone help me?

Here's the instructions for my C++ program:

Instructions

Write a program that uses the
function isPalindrome given in
Example 6-6 (Palindrome). Test
your program on the following
strings:

madam, abba, 22, 67876, 444244, trymeuemyrt

Modify the function isPalindrome
of Example 6-6 so that when
determining whether a string is a
palindrome, cases are ignored, that
is, uppercase and lowercase letters
are considered the same.

The isPalindrome function from
Example 6-6 has been included
below for your convenience.

bool isPalindrome(string str)
{
int length = str.length();
for (int i = 0; i < length / 2; i++) {
if (str[i] != str[length – 1 – i]) {
return false;
} // if
} // for loop
return true;
}// isPalindrome

Your program should print a
message indicating if a string is a
palindrome:

madam is a palindrome

Here's what I have so far:

#include <iostream>
#include <string.h>

using namespace std;

//My user defined function that checks whether given string is palindrome
bool isPalindrome(string str)
{
//Finding the string length
int length = str.length();

//Iterating over string
for (int i = 0; i < length / 2; i++)
{
//Converting both characters into lower-case and then comparing them,
//So now, the comparison function will ignore the case
if (tolower(str[i]) != tolower(str[length - 1 - i])) {
return false;
}
}
//String is a palindrome
return true;
}

//Define the main function
int main()
{
//Array of strings
string s[7] = {"Madam", "22", "abBa", "67876", "444244", "trYmeuemyRT"};
/st/.isPalindrome("Madam") #=> #<MatchData "st">
/st/.isPalindrome("22") #=> #<MatchData "st">
/st/.isPalindrome("abBa") #=> #<MatchData "st">
/st/.isPalindrome("67876") #=> #<MatchData "st">
/st/.isPalindrome("444244") #=> #<MatchData "st">
/st/.isPalindrome("trYmeuemyRT") #<MatcData "st">


int i;

//Checking five strings
for (i = 0; i < 6; i++)
{
//Testing the boolean isPalindrome user defined function against the string variables.
if (isPalindrome(s[i]))
{
cout << "\n " << s[i] << " is a palindrome";
}
else
{
cout << "\n " << s[i] << " is not a palindrome";
}

}
return 0;
}

As you can see from my code, I've added 6 lines of regexp code that satisfies my lab environment's requirements. But it has to be placed in a different location in my program so it can execute properly. I'm unsure where to place them. Can someone help me?

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