当前标签：斜率优化

Codeforces Round #185 (Div. 1 + Div. 2)
mcginn 2017-04-12 23:08 阅读:202 评论:0 推荐:0
Codeforces Round #189 (Div. 1 + Div. 2)
mcginn 2017-04-10 00:00 阅读:218 评论:0 推荐:0