标签:alt util build treeset ima port char import gif
题目描述:
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(); } }
标签:alt util build treeset ima port char import gif
原文地址:https://www.cnblogs.com/HuangYJ/p/12828668.html