palindrome.cpp

#include<bits/stdc++.h>
using namespace std;

char toLowerCase(char ch){
    if(ch >= 'a' && ch <= 'z'){
        return ch;
    }
    else {
        char temp = ch - 'A' + 'a';
        return temp;
    }
}

bool checkPalindrome(char a[],int n)
{
    int s=0;
    int e=n-1;

    while(s<=e){
        if( toLowerCase (a[s]) != toLowerCase(a[e]) ){
            return 0;
        }
        else {
            s++;
            e--;
        }
    }
    return 1;
}
void reverse(char name[],int n)
{
    int s=0;
    int e=n-1;

    while(s<e) {
        swap(name[s++],name[e--]);
    }
}
int getLength(char name[]) {
    int count=0;
    for(int i=0; name[i] !='\0'; i++){
        count++;
    }
    return count; 
}
int main()
{

char name[20];

cout<<"Enter your name "<<endl;
cin>>name;
//name[20]='\0';

cout<<"Your name is ";
cout<< name <<endl;
    
int len = getLength(name);    
    cout<<" length: "<<len<<endl;
    reverse(name,len);

    cout<<"Your name is: ";
    cout<<name<<endl;

    cout<<"palindrome or not: "<<checkPalindrome(name, len)<<endl;
    
    cout<<" Character is "<<toLowerCase('b')<<endl;
    cout<<"Character is "<<toLowerCase('C')<<endl;

    return 0;

}