JAVA_Unique Morse Code Words

JAVA_Unique Morse Code Words_LeetCode 804 풀이 class Solution { public int uniqueMorseRepresentations(String[] words) { String[] str = new String[]{".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."}; Set<String> set = new HashSet<>(); for (String word : words) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < word.length();i++) { sb.append(str[word.charAt(i) - 'a']); } set.add(...

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원문링크 : JAVA_Unique Morse Code Words_LeetCode 804