摘要: https://www.luogu.org/problemnew/show/P2801 第一次写分块的题,学习了这个视频: https://www.bilibili.com/video/av6445624?from=search&seid=16889343910066931739 1 void bu 阅读全文
posted @ 2019-01-24 18:24 XXrl 阅读(145) 评论(0) 推荐(0)