摘要: 浅谈离线分治算法: "https://www.cnblogs.com/AKMer/p/10415556.html" 题目传送门: "https://lydsy.com/JudgeOnline/problem.php?id=3110" 同 "BZOJ1901" ,不过是把单点修改区间询问改成区间修改区 阅读全文
posted @ 2019-02-23 11:52 AKMer 阅读(145) 评论(0) 推荐(0) 编辑
摘要: 浅谈离线分治算法: "https://www.cnblogs.com/AKMer/p/10415556.html" 题目传送门: "https://lydsy.com/JudgeOnline/problem.php?id=2716" 对于每个询问,分为四部分来做。 1、左下角:用$x+y+tmp$来 阅读全文
posted @ 2019-02-23 11:48 AKMer 阅读(123) 评论(0) 推荐(0) 编辑