Ashton appeared for a job interview and is asked the following question. Arrange all the distinct substrings of a given string in lexicographical order and concatenate them. Print the K th character ...

Return true if t is an anagram of s: same letters with the same counts, order does not matter. Example: s = "anagram", t = "nagaram" is true. s = "rat", t = "car" is false. You can delete matching ...