UVA 10790 How Many Points of Intersection? 组合数学
摘要：
We have two rows. There are a dots on the top row and b dots on the bottom row. We draw line segmentsconnecting every dot on the top row with every do 阅读全文
posted @ 2019-09-10 17:49 Caution_X 阅读(136) 评论(0) 推荐(0) 编辑
