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5- Implement and test the following function: //bool ispalindrome(string s) //return true iff s is a palindrome //For example: ispalindrome(RADAR) return true, ispalindrome (ABCD) returns false. Enter word to find if the word is palindrome: RADAR The word is RADAR a palindrome Press any key to continue Enter word to find if the word is palindrome: ABCDEF The word is ABCDEF is not a palindrome Press any key to continue
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Answer #1

#include <iostream>
#include <string>
using namespace std;
//is Pallindrom function to check given string is pallindrom or not
bool isPalindrome(string s){
   int   i=0; //i points to starting charecter
   int j=s.length()-1; //j points to last charecter
   while(i<j){
       //if charecter at i and charecter at jth position not equal it is not a pallindrome
       if(s[i]!=s[j]){
           return false; //not pallindrome
       }
       //updating i,j
       i++;
       j--;
   }
   return true;//pallindrom
}
//main function
int main(){
   string str;
   cout<<"Enter word to find if the word is pallindrome:";
   cin>>str;//taking string

   if(isPalindrome(str)){
       cout<<"The word is "<<str<<" is pallindrome"<<endl;
   }
   else{
       cout<<"The word is "<<str<<" is not pallindrome"<<endl;
   }
}
CProgram Flles (x8bDev-CppyconsolePauser.exe nter word to find if the word is pallindrome RADAR The word is RADAR is pallindr
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