牛客多校第十场 A Rikka with Lowbit 线段树
摘要:
链接:https://www.nowcoder.com/acm/contest/148/A来源:牛客网 题目描述 Today, Rikka is going to learn how to use BIT to solve some simple data structure tasks. Whil 阅读全文
posted @ 2018-08-19 21:32 九月旧约 阅读(262) 评论(0) 推荐(0) 编辑