12 2021 档案

Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2)
摘要：Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2) A. Divide and Multiply 可以发现，每次只让一个数乘是最优的。因为范围很小，所以可以枚举将哪个数乘$2$，注意答案为指数级别要开$long~ 阅读全文
posted @ 2021-12-01 19:32 stler 阅读(173) 评论(0) 推荐(0)