2022年7月25日
"蔚来杯"2022牛客暑期多校训练营2 K-Link with Bracket Sequence I
摘要： 问题描述 Link has a bracket sequence a of length n, which is a subsequence of a valid bracket sequence b of length m. Link doesn't remember b, so he wonde 阅读全文
posted @ 2022-07-25 16:52 SAKURA12 阅读(51) 评论(0) 推荐(0) 编辑