gistfile1.cpp

/* Sachie Holtz CA110 pl5.cpp
   programming Lab 5: Palindrome Program
   To examine a user-entered string to determine if it's a palindrome. 
*/

#include <iostream>
#include <cstring>

using namespace std;

bool is_palindrome( char inputString[] );

int main()
{

  char userInput[20];
  cout << "please enter a word:";
  cin.getline( userInput, 20 );

  if ( is_palindrome( userInput ) )
  {
    cout << "The word you entered: " << userInput << " is a palindrome"  << endl;
  } else {
    cout << "The word you entered: " << userInput << " is not a palindrome" << endl;
  }

  return 0;
}

bool is_palindrome( char inputString[] )
{
  int len = strlen( inputString );
  char reversed[20];
  
  // reverse the string
  
  for (int index=0; index<len; index++)
  {
    char c = inputString[ len-index-1 ];
    reversed[ index ] = c;
  }
  
  // compare strings
  bool stringsMatch = true;
  for (int index=0; index<len; index++)
  {
    if (inputString[ index ] != reversed[ index ]) {
      stringsMatch = false;
    }
  }

  return stringsMatch;

}