【算法】【线性表】最长单词

1  题目

给一个词典，找出其中所有最长的单词。

样例 1:
	输入:   {
		"dog",
		"google",
		"facebook",
		"internationalization",
		"blabla"
		}
	输出: ["internationalization"]



样例 2:
	输入: {
		"like",
		"love",
		"hate",
		"yes"		
		}
	输出: ["like", "love", "hate"]

2  解答

public class Solution {
    /*
     * @param dictionary: an array of strings
     * @return: an arraylist of strings
     */
    public List<String> longestWords(String[] dictionary) {
        // write your code here
        List<String> resList = new ArrayList<>();
        if (dictionary == null || dictionary.length == 0) {
            return resList;
        }
        int maxLen = dictionary[0].length();
        resList.add(dictionary[0]);
        for (int i=1; i<dictionary.length; i++) {
            String str = dictionary[i];
            if (str.length() < maxLen) continue;
            if (str.length() == maxLen) {
                resList.add(str);
                continue;
            }
            maxLen = str.length();
            resList.clear();
            resList.add(str);
        }
        return resList;
    }
}

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