随笔分类 -  湖南省省赛

湖南省第十二届省赛：Parenthesis
摘要：Description Bobo has a balanced parenthesis sequence P=p1 p2…pn of length n and q questions. The i th question is whether P remains balanced af 阅读全文
posted @ 2017-08-23 20:37 韵祈 阅读(235) 评论(0) 推荐(0)