摘要: Codeforces1107E 记忆化dp E. Vasya and Binary String Description: Vasya has a string $s$ of length $n$ consisting only of digits 0 and 1. Also he has an a 阅读全文
posted @ 2019-02-02 10:22 图斯卡蓝瑟 阅读(373) 评论(0) 推荐(0)
摘要: CodeForces 536 A. Lunar New Year and Cross Counting Description: Lunar New Year is approaching, and you bought a matrix with lots of "crosses". This m 阅读全文
posted @ 2019-02-01 17:05 图斯卡蓝瑟 阅读(506) 评论(0) 推荐(0)
摘要: 线段树优化建图 阅读全文
posted @ 2019-01-30 21:51 图斯卡蓝瑟 阅读(239) 评论(0) 推荐(0)