Category: string

You are given a string word that consists of digits and lowercase English letters. You will replace every non-digit character with a space. For example, “a123bc34d8ef34″ will become ” …

Given a string s, return the longest prefix of s that is not equal to s and exists as a suffix of s. Constraints n ≤ 100,000 where n …

Given two lowercase alphabet strings a and b, return the length of the longest anagram subsequence. Constraints n ≤ 100,000 where n is the length of a m ≤ …

Given a Unix path, represented as a list of strings, return its resolved version. In Unix, “..” means to go to the previous directory and “.” means to stay …

Teaching Kids Programming: Videos on Data Structures and Algorithms Given a string, your task is to count how many palindromic substrings in this string. The substrings with different start …