problem

804. Unique Morse Code Words

solution1:

class Solution {

public:

    int uniqueMorseRepresentations(vector<string>& words) {

        vector<string> morse{".-", "-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."};

        unordered_set<string> s;//err..

        for(auto word:words)

        {

            string t = "";

            for(auto ch:word)

            {

                t += morse[ch-'a'];//errr...

            }

            s.insert(t);

        }

        return s.size();

    }

};

参考

1. Leetcode_easy_804. Unique Morse Code Words;

2. Grandyang;

完

【Leetcode_easy】804. Unique Morse Code Words的更多相关文章

  1. 【Leetcode】804. Unique Morse Code Words

    Unique Morse Code Words Description International Morse Code defines a standard encoding where each ...

  2. 【LeetCode】804. Unique Morse Code Words 解题报告（Python）

    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 + map set + 字典 日期 题目地 ...

  3. 804. Unique Morse Code Words - LeetCode

    Question 804. Unique Morse Code Words [".-","-...","-.-.","-..&qu ...

  4. Leetcode 804. Unique Morse Code Words 莫尔斯电码重复问题

    参考:https://blog.csdn.net/yuweiming70/article/details/79684433 题目描述: International Morse Code defines ...

  5. (string 数组) leetcode 804. Unique Morse Code Words

    International Morse Code defines a standard encoding where each letter is mapped to a series of dots ...

  6. 804. Unique Morse Code Words

    Description International Morse Code defines a standard encoding where each letter is mapped to a se ...

  7. LeetCode - 804. Unique Morse Code Words

    International Morse Code defines a standard encoding where each letter is mapped to a series of dots ...

  8. LeetCode 804 Unique Morse Code Words 解题报告

    题目要求 International Morse Code defines a standard encoding where each letter is mapped to a series of ...

  9. [LeetCode] 804. Unique Morse Code Words_Easy tag: Hash Table

    International Morse Code defines a standard encoding where each letter is mapped to a series of dots ...

随机推荐

  1. LOJ 103子串查找——用hash代替kmp算法

    题意 给出两个字符串 $s_1,s_2$,求 $s_2$ 在 $s_1$ 中出现的次数. 分析 预处理出两个字符串的哈希值,再逐位比较. 时间复杂度为 $O(n+m)$,和 $kmp$ 算法一样. 可 ...

  2. java中日志打印

    目录 一.预先判断日志级别 二.避免无效日志打印 三.区别对待错误日志 四.保证记录完整内容 打印日志,要注意下面4点. 一.预先判断日志级别 对DEBUG.INFO级别的日志,必须使用条件输出或者使 ...

  3. icpc 银川 I. Base62 任意进制的转换 短除法

    Problem Description As we already know, base64 is a common binary-to-text encoding scheme. Here we d ...

  4. sql sever 触发器的概念和使用

    触发器简介: 触发器是一种特殊的存储过程,它的执行不是由程序调用,也不是手动执行,而是由事件来触发.触发器是当对某一个表进行操作.例如:update.insert.delete这些操作的时候,系统会自 ...

  5. 【HTTP】图解HTTPS

    我们都知道HTTPS能够加密信息,以免敏感信息被第三方获取.所以很多银行网站或电子邮箱等等安全级别较高的服务都会采用HTTPS协议. HTTPS简介 HTTPS其实是有两部分组成:HTTP + SSL ...

  6. 10月清北学堂培训 Day 3

    今天是钟皓曦老师的讲授~ zhx:题很简单,就是恶心一些qwq~ T1 别人只删去一个字符都能AC,我双哈希+并查集只有40?我太菜了啊qwq 考虑到越短的字符串越难压缩,越长的字符串越好压缩,所以我 ...

  7. 由Java正则表达式的灾难性回溯引发的高CPU异常：java.util.regex.Pattern$Loop.match

    问题与分析 某天领导report了一个问题:线上的CPU自从上一个版本迭代后就一直处于居高不下的状况,领导看着这段时间的曲线图判断是有两条线程在不停的死循环. 接到任务后去查看了AWS的CloudWa ...

  8. ICEM-缺角正方体

    原视频下载地址:https://yunpan.cn/cqKwGiMRiqN7I  访问密码 3377

  9. 【原】Python基础-类

    class CPerson: name = "default" __name2 = "inaccessable name" #类作用域内的变量可以被所有实例访问 ...

  10. cannot load from mysql.proc. the table is probably corrupted 解决办法

    执行以下命令:mysql_upgrade -u root -p 密码 mysql5.5及5.5以上的版本开始,mysql数据库中proc表中的comment字段的列属性已经由char(64)改为tex ...