题目传送门 Meteors 格式难调,题面就不妨放了. 分析: 一道整体二分的练手题. 就是一般的整体二分的套路,但是要注意,将修改和询问加入队列的时候要先加修改再加询问.另外,博主代码打得太丑,常数贼大,不建议照这么打... Code: //It is made by HolseLee on 5th Oct 2018 //Luogu.org P3527 #include<bits/stdc++.h> #define N 300007 using namespace std; typedef…
Part 1:CDQ分治 CDQ分治讲解博客 可以把CDQ分治理解为类似与归并排序求逆序对个数的一种分治算法(至少我现在是这么想的).先处理完左右两边各自对答案的贡献,在处理跨越左右两边的对答案的贡献. 例题: 逆序对(二维偏序) 过水,不讲. 三维偏序 第一维先sort,第二维由归并保证,第三维在归并时查询权值树状数组. \(Code:\) int n, k, tot; struct node{ int a, b, c, w, id; }p[N], tp[N]; int ans[N]; ll…
2527: [Poi2011]Meteors Time Limit: 60 Sec Memory Limit: 128 MB Submit: 1528 Solved: 556 [Submit][Status][Discuss] Description Byteotian Interstellar Union (BIU) has recently discovered a new planet in a nearby galaxy. The planet is unsuitable for c…
[BZOJ2527][Poi2011]Meteors Description Byteotian Interstellar Union (BIU) has recently discovered a new planet in a nearby galaxy. The planet is unsuitable for colonisation due to strange meteor showers, which on the other hand make it an exceptional…
[bzoj2527][Poi2011]Meteors Description Byteotian Interstellar Union (BIU) has recently discovered a new planet in a nearby galaxy. The planet is unsuitable for colonisation due to strange meteor showers, which on the other hand make it an exceptional…
题目描述 Byteotian Interstellar Union (BIU) has recently discovered a new planet in a nearby galaxy. The planet is unsuitable for colonisation due to strange meteor showers, which on the other hand make it an exceptionally interesting object of study. Th…
Description Byteotian Interstellar Union (BIU) has recently discovered a new planet in a nearby galaxy. The planet is unsuitable for colonisation due to strange meteor showers, which on the other hand make it an exceptionally interesting object of st…
Description 有 n 个国家,总共占有一个环,环被分成了 m 段,已知有 k 次流星雨会落在这个环上的一些位置.再给出每个国家目标收集多少流星,对每个国家求出第几次流星雨后可以满足这个国家的目标 Input 第一行是 n,m,意义如上 第二行是 m 个数,第 i 个数 a_i 代表国家 a_i 拥有环上的第 i 段 第三行是 n 个数,代表每个国家的目标 第四行是一个整数 k 下面 k 行每行 3 个数字描述一场流星雨,分别为覆盖区间和区间内每一段都能收到的陨石数目 Output 对每…