2017年8月12日

摘要： 题目：Reverse String Write a function that takes a string as input and returns the string reversed. Example:Given s = "hello", return "olleh". 题意：逆置字符串 思 阅读全文

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