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=4009" 树套树写法: "https://www.cnblogs.com/A 阅读全文
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=3745" 我们对于所有区间,要么在分治的$mid$左边,要么在分治的$mid 阅读全文