952.验证外星语词典

class Solution {
    public boolean isAlienSorted(String[] words, String order) {

        for (int i = 0; i < words.length - 1; i++) {

            if (!isAlienSorted(words[i], words[i + 1], order)) {
                return false;
            }

        }
        return true;

    }

    public boolean isAlienSorted(String word1, String word2, String order) {

        int minL = Math.min(word1.length(), word2.length());

        for (int i = 0; i < minL; i++) {

            int indexOf1 = order.indexOf(word1.charAt(i));
            int indexOf2 = order.indexOf(word2.charAt(i));
            if (indexOf1 == indexOf2) {
                continue;
            }
            return indexOf1 < indexOf2;

        }

        return word1.length() <= word2.length();
    }

}