Scenario Consider a social network site where people can become friends with one another. Friendship groups can be formed (person A is friends with person B, person B is friends with person C, person C is friends with person Z → the friendship group holds {A, B, C, Z}). …

As I start to continue to prepare for technical interviews, I’ll be going over solutions for questions that I find initially challenging. Today, I’ll be going over the Longest Palindromic Substring problem on Leetcode. The problem can be found here. Problem Description Given a string s, return the longest palindromic…