摘要: gym102433 J-Interstellar Travel 题意 给定$n$个实数三元组$(t_i,s_i,a_i)$,让你选定一个$a$使得$\sum_^max(0,t_i-s_i\cdot dist(a_i,a))$最大,其中$dist(a_i,a)=min(2\pi-|a-a_i|,|a- 阅读全文
posted @ 2020-12-21 22:26 xyq0220 阅读(127) 评论(0) 推荐(0) 编辑