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  1. //=========================================================
  2. // File: HW_10d
  3. // Programmer: Elaine Torrez
  4. // Class: CMPR 121
  5. //=========================================================
  6. // Description:
  7. // This program determines whether a word is
  8. // a palindrome using list iterators.
  9. //=========================================================
  10.  
  11. #include <iostream>
  12. #include <list>
  13. #include <string>
  14.  
  15. using namespace std;
  16.  
  17. int main()
  18. {
  19.     list<char> characterList;
  20.  
  21.     list<char>::iterator forwardIterator;
  22.     list<char>::reverse_iterator reverseIterator;
  23.  
  24.     string userWord;
  25.  
  26.     bool isPalindrome;
  27.  
  28.     int index;
  29.  
  30.     cout << "Enter a word: ";
  31.     cin >> userWord;
  32.  
  33.     for (index = 0; index < userWord.length(); index++)
  34.     {
  35.         characterList.push_back(userWord[index]);
  36.     }
  37.  
  38.     isPalindrome = true;
  39.  
  40.     forwardIterator = characterList.begin();
  41.     reverseIterator = characterList.rbegin();
  42.  
  43.     while (forwardIterator != characterList.end())
  44.     {
  45.         if (*forwardIterator != *reverseIterator)
  46.         {
  47.             isPalindrome = false;
  48.             break;
  49.         }
  50.  
  51.         forwardIterator++;
  52.         reverseIterator++;
  53.     }
  54.  
  55.     cout << endl;
  56.  
  57.     if (isPalindrome == true)
  58.     {
  59.         cout << userWord
  60.              << " is a palindrome."
  61.              << endl;
  62.     }
  63.     else
  64.     {
  65.         cout << userWord
  66.              << " is NOT a palindrome."
  67.              << endl;
  68.     }
  69.  
  70.     return 0;
  71. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
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racecar
stdout
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Enter a word: 
racecar is a palindrome.
https://ideone.com/618iZt
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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