Q1.Reverse a string You are given a string 'STR'. The string contains [a-z] [A-Z] [0-9] [special characters]. You have to find the reverse of t... read more
Q2.Find duplicates in a string You are given a string ‘S’ of length ‘N’. You have to return all the characters in the string that are duplicate... read more
Q3.String Palindrome Given a string, determine if it is a palindrome, considering only alphanumeric characters. Palindrome A palindrome is a wo... read more