Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your result is the smallest in lexicographical order among all possible results. Example 1: Input: "bcab…

870. Advantage Shuffle 思路:A数组的最大值大于B的最大值,就拿这个A跟B比较:如果不大于,就拿最小值跟B比较 A可以改变顺序,但B的顺序不能改变,只能通过容器来获得由大到小的顺序,并且必须存储相应的index,因为最终需要将选择的A的数值存入与这个B相对应的index下 class Solution { public: vector<int> advantageCount(vector<int>& A, vector<int>&…

Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your result is the smallest in lexicographical order among all possible results. Example: Given "bcabc&q…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址:https://leetcode.com/problems/remove-duplicate-letters/ 题目描述 Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear…

Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your result is the smallest in lexicographical order among all possible results. Example: Given "bcabc&q…

https://leetcode.com/problems/remove-duplicate-letters/ Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your result is the smallest in lexicographical o…

Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your result is the smallest in lexicographical order among all possible results. Example: Given "bcabc&q…

题目如下: Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your result is the smallest in lexicographical order among all possible results. Example 1: Input:…

给定一个仅包含小写字母的字符串,去除重复的字母使得所有字母出现且仅出现一次.你必须保证返回结果是所有可能结果中的以字典排序的最短结果.例如:给定 "bcabc"返回 "abc"给定 "cbacdcbc"返回 "acdb" 详见:https://leetcode.com/problems/remove-duplicate-letters/description/ C++: class Solution { public: str…

316. Remove Duplicate Letters Total Accepted: 2367 Total Submissions: 12388 Difficulty: Medium Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your resu…