摘要：
Given a list of numbers, find the number of tuples of size N that add to S.for example in the list (10,5,-1,3,4,-6), the tuple of size 4 (-1,3,4,-6) a... 阅读全文
摘要：
Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.题目：给一组字符串，返回所有满足Anagrams（回文构词法）的字符串；A... 阅读全文