[LeetCode] Valid Word Square 验证单词平方
Given a sequence of words, check whether it forms a valid word square. A sequence of words forms a valid word square if the kth row and column ...
原文：[LeetCode] 425. Word Squares 单词平方
Given a set of words without duplicates , find allword squaresyou can build from them. A sequence of words forms a valid word square if thekthrow and column read the exact same string, where k lt max ...
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