摘要: There is a rectangular grid of n rows of m initially white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i 阅读全文
posted @ 2020-04-28 19:02 LiangYC1021 阅读(136) 评论(1) 推荐(0)
摘要: Overlooking the captivating blend of myriads of vernal hues, Arkady the painter lays out a long, long canvas. Arkady has a sufficiently large amount o 阅读全文
posted @ 2020-04-28 18:59 LiangYC1021 阅读(181) 评论(0) 推荐(0)