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LeetCode804. 唯一摩尔斯密码词

时间:2020-05-04 23:05:22      阅读:74      评论:0      收藏:0      [点我收藏+]

标签:alt   util   build   treeset   ima   port   char   import   gif   

题目描述:

技术图片

 

技术图片

 

 技术图片

 

 

技术图片
import java.util.TreeSet;
class Solution {
    public int uniqueMorseRepresentations(String[] words) {
        String[] codes = {".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."};

        TreeSet<String> set = new TreeSet<>();
        for(String word: words){
            StringBuilder res = new StringBuilder();
            for(int i = 0; i < word.length(); i++){
                res.append(codes[word.charAt(i) - ‘a‘]);               
            }
            set.add(res.toString());
        }
        return set.size();
    }
}
Solution 1

 

LeetCode804. 唯一摩尔斯密码词

标签:alt   util   build   treeset   ima   port   char   import   gif   

原文地址:https://www.cnblogs.com/HuangYJ/p/12828668.html

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