Category: string
Given strings a and b, and an integer k, return whether a can be converted to b by shifting some characters clockwise at most k times. For example, “c” …
You are given a string s of even length. Split this string into two halves of equal lengths, and let a be the first half and b be the …
Given a string s containing balanced parentheses “(” and “)”, split them into the maximum number of balanced groups. Constraints n ≤ 100,000 where n is length of s. …
You are given a phone number as a string number. number consists of digits, spaces ‘ ‘, and/or dashes ‘-‘. You would like to reformat the phone number in …
Teaching Kids Programming: Videos on Data Structures and Algorithms We talk about the algorithm to check if a string is a valid Parenthese. How about if the string can …