JavaArithmetic/src/LeetCode/LeetCode804.java at master · wpq2014/JavaArithmetic · GitHub

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package LeetCode;

import java.util.HashSet;

import java.util.Set;

class LeetCode804 {

private String[] morse = {".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", "--", "-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", "-.--", "--.."};

public int uniqueMorseRepresentations(String[] words) {

Set<String> set = new HashSet<>();

for (String word : words) {

set.add(getMorse(word));

}

return set.size();

}

// 将每个字符翻译成摩斯密码

private String getMorse(String str) {

StringBuilder sb = new StringBuilder();

for (int i = 0; i < str.length(); i++) {

sb.append(morse[str.charAt(i) - 'a']);

}

return sb.toString();

}

JavaArithmetic/src/LeetCode/LeetCode804.java at master · wpq2014/JavaArithmetic · GitHub

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