摘要: Given a list of dominoes, dominoes[i] = [a, b] is equivalent to dominoes[j] = [c, d] if and only if either (a==c and b==d), or (a==d and b==c) - that 阅读全文
posted @ 2021-05-24 02:24 Grandyang 阅读(386) 评论(0) 推荐(0) 编辑
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