PALINDROME
A palindrome is a word or phrase which is read same from forward as well as from backwards. Spaces or punctuations are usually not taken into consideration for Palindromes.
WORD PALINDROMES
- Madam
- Racecar
- Level
- Radar
- Refer
PHRASE PALINDROMES
- Draw pupil's lip upwards.
- Rise to vote, Sir!
- Step on no pets!
PROGRAM
// Program to check whether given string is palindrome or not
#include <iostream>
#include <string>
using namespace std;
int main()
{
int i,len;
string str,strws;
bool flag=true;
cout<<"ENTER A STRING: ";
getline(cin,strws);
len=strws.length();
/*Removing Spaces and Punctuations From String and Converting into Lowercase*/
for(i=0;i<len;i++)
{
if('A'<=strws[i] && strws[i]<='Z')
{
strws[i]=strws[i]+32;
}
if('a'<=strws[i] && strws[i]<='z')
{
str.push_back(strws[i]);
}
}
len=str.length();
for(i=0;i<=(len/2);i++)
{
if(str[i]!=str[len-i-1])
{
flag=false;
break;
}
}
if(flag)
{
cout<<"\nGIVEN STRING IS A PALINDROME!";
}
else
{
cout<<"\nGIVEN STRING IS NOT A PALINDROME!";
}
return 0;
}
OUTPUT
