Question Link : https://leetcode.com/problems/alien-dictionary/

Difficulty: Hard

Premium: True

Question

There is a new alien language that uses the English alphabet. However, the order of the letters is unknown to you. You are given a list of strings words from the alien language's dictionary. Now it is claimed …

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Question Link : https://leetcode.com/problems/verifying-an-alien-dictionary/

Difficulty: Easy

Premium: False

Question

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 …

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