Verifying an Alien Dictionary
In an alien language, surprisingly, they also use English lowercase letters, but possibly in a different order. The order of the alphabet is some permutation of lowercase letters.
Given a sequence of words written in the alien language, and the order of the alphabet, return true if and only if the given words are sorted lexicographically in this alien language.
Example 1
Input
words = ["hello","leetcode"], order = "hlabcdefgijkmnopqrstuvwxyz"Output
trueAs
h comes before l in this language, the sequence is sorted.Example 2
Input
words = ["word","world","row"], order = "worldabcefghijkmnpqstuvxyz"Output
falseAs
d comes after l in this language, words[0] > words[1], so the sequence is unsorted.Constraints
- 1 <= words.length <= 100
- 1 <= words[i].length <= 20
- order.length == 26
- All characters in words[i] and order are English lowercase letters.