摘要： 题目：You are given a string,s, and a list of words,words, that are all of the same length. Find all starting indices of substring(s) insthat is a concat... 阅读全文

摘要： 题目：Given a linked list, reverse the nodes of a linked listkat a time and return its modified list.If the number of nodes is not a multiple ofkthen lef... 阅读全文