Infosys SP and DSE Interview Questions

#include 
#include 


int main() 
{
    char str[10] = "naman";
    int i, len, flag = 0;
    
    len = strlen(str);

    for (i = 0; i < len; i++) 
    {
        // Checking if string is palindrome or not
        if (str[i] != str[len - i - 1]) {
            flag = 1;
            break;
        }
    }

    if (flag)
        printf("%s is not palindrome", str);
    else
        printf("%s is palindrome", str);
        
    return 0;
}

// String palindrome program in c++
#include 
#include  
using namespace std;
void Lower_case(char str[]){
    int i = 0;
    while (str[i] != '\0')
    {
        if (str[i] > 64 && str[i] < 91)       str[i] += 32;     i++;   } } // A function to check if a string str is palindrome void CheckPalindrome(char str[]) { // Start from leftmost and rightmost corners of str int l = 0; int h = strlen(str) - 1; // Keep comparing characters while they are same Lower_case(str); while (h > l) {  
      if (str[l++] != str[h--]) { 
           cout << "The String " << str << " is not a palindrome\n";           
 return;      
  }   
 }    
cout << "The String " << str << " is a palindrome"; 
}
// Driver program to test CheckPalindrome function int main() {    
char str1[50] = "naman";  // size of char string    
CheckPalindrome(str1);
cout<<endl;
char str2[50] = "radar";  // size of char string    
CheckPalindrome(str2);
return 0; 
}

import java.util.Scanner;

public class StringIsAPalindromeOrNot {

	public static void main(String[] args) {
		
		String s = "arora";
		String rev = "";
		for (int i = s.length()-1; i >=0 ; i--) 
			rev=rev+s.charAt(i);
		if(s.equals(rev))
			System.out.println("String is palindrome");
		else 
			System.out.println("String is not palindrome");

	}

}

# Write a program to check whether a string is palindrome or not in python
input_string = 'civic'
rev = input_string[::-1]

if input_string == rev:
    print(rev + " is Palindrome")
else:
    print(rev + " is not Palindrome")