leetcode929 Unique Email Addresses】的更多相关文章

Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these emails may contain '.'s or '+'s. If yo…
每封电子邮件都由一个本地名称和一个域名组成,以 @ 符号分隔. 例如,在 alice@leetcode.com中, alice 是本地名称,而 leetcode.com 是域名. 除了小写字母,这些电子邮件还可能包含 ',' 或 '+'. 如果在电子邮件地址的本地名称部分中的某些字符之间添加句点('.'),则发往那里的邮件将会转发到本地名称中没有点的同一地址.例如,"alice.z@leetcode.com" 和 "alicez@leetcode.com" 会转发到…
929. Unique Email Addresses Easy 22766FavoriteShare Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase l…
统计有几种邮箱地址. 邮箱名类型:local@domain 规则:1. local中出现"."的,忽略. a.bc=abc 2. local中出现"+"的,+以及之后的local全部忽略. a+bc=a 思路: 利用set存,水题没啥好说的 Runtime: 20 ms, faster than 96.66% of C++ online submissions for Unique Email Addresses. class Solution { public:…
problem 929. Unique Email Addresses solution: class Solution { public: int numUniqueEmails(vector<string>& emails) { unordered_set<string> tmp; for(auto email:emails) { std::size_t at = email.find('@'); string local = ""; ; i<…
Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these emails may contain '.'s or '+'s. If yo…
Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these emails may contain '.'s or '+'s. If yo…
Description Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these emails may contain '.'s or…
Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these emails may contain '.'s or '+'s. If yo…
题目要求 Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. If you add periods ('.') between some characters in the local name…
Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these emails may contain '.'s or '+'s. If yo…
题目如下: Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these emails may contain '.'s or '+'s.…
Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these emails may contain '.'s or '+'s. If yo…
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 set + 字符串操作 参考资料 日期 题目地址:https://leetcode.com/problems/unique-email-addresses/description/ 题目描述 Every email consists of a local name and a domain name, separated by the @ sign.…
这道题是LeetCode里的第929道题. 题目要求: 每封电子邮件都由一个本地名称和一个域名组成,以 @ 符号分隔. 例如,在 alice@leetcode.com中, alice 是本地名称,而 leetcode.com 是域名. 除了小写字母,这些电子邮件还可能包含 '.' 或 '+'. 如果在电子邮件地址的本地名称部分中的某些字符之间添加句点('.'),则发往那里的邮件将会转发到本地名称中没有点的同一地址.例如,"alice.z@leetcode.com" 和 "al…
题目标签:String 题目说明 有两个规则针对于 local name. 所以先把local name 和 domain name 分开. 两个规则是: rule 1:'.' 会被去除. (利用replace 把 '.' 换成 '') rule 2:'+' 之后的所有东西都会被 去除.(利用substring 把 '+' 之后的去除) Java Solution: Runtime beats 34.05% 完成日期:12/08/2018 关键点:substring 和 replace clas…
这是悦乐书的第356次更新,第383篇原创 01看题和准备 今天介绍的是LeetCode算法题中Easy级别的第218题(顺位题号是927).每封电子邮件都包含本地名称和域名,以@符号分隔. 例如,在alice@leetcode.com中,alice是本地名称,leetcode.com是域名. 除了小写字母,这些电子邮件可能包含'.'或'+'. 如果在电子邮件地址的本地名称部分中的某些字符之间添加句点('.'),则在那里发送的邮件将转发到本地名称中没有点的同一地址.例如,"alice.z@lee…
1.题目描述 2.问题分析 将字符串中的 ‘.’ 去掉,将 ‘+’后面直到‘@’的字符串去掉,然后利用set的特性. 3.代码 int numUniqueEmails(vector<string>& emails) { || emails.size() == ) return emails.size(); set<string> se; for (vector<string>::iterator it = emails.begin(); it != emails…
929. Unique Email Addresses (Easy)# Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com, alice is the local name, and leetcode.com is the domain name. Besides lowercase letters, these em…
Question 929. Unique Email Address Solution 题目大意: 给你一个邮箱地址的数组,求出有多少个不同的地址,其中localName有如下规则 加号(+)后面的字符及加号忽略 点(.)也忽略 思路: 直接遍历,字符串操作即可 Java实现: public int numUniqueEmails(String[] emails) { if (emails == null || emails.length == 0) { return 0; } Set<Stri…
此题题意就是匹配邮箱,提交时一直在test 14上WA,看了测试用例之后才发现计数用的int溢出,要用long long还是做题经验不够,导致此题未能通过,以后一定要考虑数据量大小 题意是找出邮件地址的数量,永许出现相同的地址 此题最重要的部分是要注意邮件地址的构成规则 1.邮件开始部分必须是字母串,数字和‘_’,但必须以字母开头 2.必须有字符‘@’ 3.接着是非空的字母或数字 4.接着是必须有‘.’ 5.地址必须以非空的字母串结束,不能含有数字,'_',和'.' 本题的想法是先按照@对字符串…
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Algorithm 做一个 leetcode 的算法题 Unique Email Addresses https://leetcode.com/problems/unique-email-addresses/ 1)problem 929. Unique Email Addresses Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leet…
All LeetCode Questions List(Part of Answers, still updating) 题目汇总及部分答案(持续更新中) Leetcode problems classified by company 题目按公司分类(Last updated: October 2, 2017) .   Top Interview Questions # Title Difficulty Acceptance 1 Two Sum Medium 17.70% 2 Add Two N…
平时没事刷刷Leetcode,还办了个年会员.为了自己150刀.为了自己的大脑投资,从不差钱儿.刷刷题能练习coding,此外看一些别人的优秀的答案,能增长见解.大家共同努力,共勉. 十.Google考题(2) Name:Unique Email Addresses Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.com,…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 把自己刷过的所有题目做一个整理,并且用简洁的语言概括了一下思路,汇总成了一个表格. 题目的排列顺序是按照先Easy再Medium再Hard排列的,暂时还没有把题目全部整理完成.后序我会把刷过的所有的题目都整理到这个文档里. 题目 难度 解法 题目地址 566. Reshape the Matrix Easy 变长数组,求余法,维护行列计算在新的数组中的位置 https://blog.c…
Building the web role for the Windows Azure Email Service application - 3 of 5. This is the third tutorial in a series of five that show how to build and deploy the Windows Azure Email Service sample application. For information about the application…
Comparing E-mail Address Validating Regular Expressions Updated: 2/3/2012 Summary This page compares regular expressions that validate e-mail addresses in order to find the best one. The expression with the best score is currently the one used by PHP…
https://4sysops.com/archives/ipv6-tutorial-part-6-site-local-addresses-and-link-local-addresses/ In the last post of this IPv6 tutorial, you learned about the different address types and the new public IP addresses,the global unicast addresses. Today…
1.先安装插件 2.配置 点击高级后 内容配置: 3.项目配置 点击Advanced Settings后 到此所有的配置都设置完成. 附录: 以下内容来自其他网友的博客,内容也没有自己去试,朋友们可以自己去试一下.同时也感谢提供以下信息的网友. Default Subject:构建通知:$PROJECT_NAME - Build # $BUILD_NUMBER - $BUILD_STATUS! Default Content: <hr/> (本邮件是程序自动下发的,请勿回复!)<br/&…