2019年9月11日
Almost Regular Bracket Sequence CodeForces - 1095E （线段树，单点更新，区间查询维护括号序列）
摘要： Almost Regular Bracket Sequence "CodeForces 1095E " You are given a bracket sequence ss consisting of nn opening '(' and closing ')' brackets. A regul 阅读全文
posted @ 2019-09-11 00:56 茄子Min 阅读(375) 评论(0) 推荐(0)