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804. Unique Morse Code Words

时间:2019-05-29 22:08:33      阅读:88      评论:0      收藏:0      [点我收藏+]
class Solution {
    public int uniqueMorseRepresentations(String[] words) {
        String[] dotAndDash = {".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."};
        Set<String> set = new HashSet<String>();
        for (String word: words) {
            StringBuilder concatenation = new StringBuilder();
            for (char c: word.toCharArray()) {
                concatenation.append(dotAndDash[c-97]);
            }
            set.add(concatenation.toString());
        }
        int result = set.size();
        System.out.println(result);
        return result;
    }
}

 

804. Unique Morse Code Words

原文:https://www.cnblogs.com/stone94/p/10946321.html

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