摘要：
题目： Given two strings S and T, determine if they are both one edit distance apart i. Modify operation – Modify a character to X in S.S = “abcde”T = “a 阅读全文
摘要：
题目： Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique lo 阅读全文