摘要:
浅谈$K D$ $Tree$: "https://www.cnblogs.com/AKMer/p/10387266.html" 题目传送门: "https://lydsy.com/JudgeOnline/problem.php?id=4303" 把每个元素看成点$(i,a_i)$即可,然后裸的正交范 阅读全文
摘要:
浅谈$K D$ $Tree$: "https://www.cnblogs.com/AKMer/p/10387266.html" 题目传送门: "https://lydsy.com/JudgeOnline/problem.php?id=2648" $K D$ $Tree$最近点查询裸题,注意先把所有点 阅读全文