2019年2月18日

UVA10790 How Many Points of Intersection?【组合】

摘要： We have two rows. There are a dots on the top row and b dots on the bottom row. We draw line segments connecting every dot on the top row with every d 阅读全文

posted @ 2019-02-18 04:09 新海岛Blog 阅读(182) 评论(0) 推荐(0)

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