2019年3月22日
D - Mayor's posters（线段树+离散化）
摘要： 题目： The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at al 阅读全文
posted @ 2019-03-22 22:43 丿不落良辰 阅读(876) 评论(2) 推荐(3)