摘要: 1408D - Searchlights Let's define as xx our move to the right and as yy our move to the up. For all pairs (i,j)(i,j) of (robber, searchlight) at least 阅读全文
posted @ 2020-10-17 14:44 LegendN 阅读(84) 评论(0) 推荐(0)