3799. Word Squares II

LeetCodeArrayStringBacktrackingSortingEnumerationOpen on judge ↗

You are given a string array words, consisting of distinct 4-letter strings, each containing lowercase English letters. A word square consists of 4 distinct words: top, left, right and bottom, arranged as follows: - top forms the top row. - bottom forms the bottom row. - left forms the left column (top to bottom). - right forms the right column (top to bottom). It must satisfy: - top[0] ==

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solution.cppC++17

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