小凉

摘要： 题目： Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximum 阅读全文

摘要： 题目：Reverse String （难度一颗星） Write a function that takes a string as input and returns the string reversed.Example:Given s = "hello", return "olleh". 实现： 阅读全文