摘要: Given a 2D grid of 0s and 1s, return the number of elements in the largest square subgrid that has all 1s on its border, or 0 if such a subgrid doesn' 阅读全文
posted @ 2021-06-13 15:47 Grandyang 阅读(496) 评论(0) 推荐(0) 编辑
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