2019年12月4日
A - Naptime （环形DP，线性DP+环形处理）
摘要： Goneril is a very sleep-deprived cow. Her day is partitioned into N (3 <= N <= 3,830) equal time periods but she can spend only B (2 <= B < N) not nec 阅读全文
posted @ 2019-12-04 20:13 蓉~ 阅读(207) 评论(0) 推荐(0) 编辑