K-th Number You are working for Macrohard company in data structures department. After failing your previous task about key insertion you were asked to write a new data structure that would be able to return quickly k-th order statistics in the array…
K-th Number Time Limit: 20000MS Memory Limit: 65536K Total Submissions: 44940 Accepted: 14946 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…
K-th Number Time Limit: 20000MS Memory Limit: 65536K Total Submissions: 51732 Accepted: 17722 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…
K-th Number Time Limit: 20000MS Memory Limit: 65536K Total Submissions: 35653 Accepted: 11382 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…
K-th Number Input The first line of the input file contains n --- the size of the array, and m --- the number of questions to answer (1 <= n <= 100 000, 1 <= m <= 5 000). The second line contains n different integer numbers not exceeding 109 b…
Description You are working for Macrohard company in data structures department. After failing your previous task about key insertion you were asked to write a new data structure that would be able to return quickly k-th order statistics in the array…
Description You are working for Macrohard company in data structures department. After failing your previous task about key insertion you were asked to write a new data structure that would be able to return quickly k-th order statistics in the array…
Description You are working for Macrohard company in data structures department. After failing your previous task about key insertion you were asked to write a new data structure that would be able to return quickly k-th order statistics in the array…
K-th Number Time Limit: 20000MS Memory Limit: 65536K Total Submissions: 52651 Accepted: 18091 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures…
Description Wind loves pretty dogs very much, and she has n pet dogs. So Jiajia has to feed the dogs every day for Wind. Jiajia loves Wind, but not the dogs, so Jiajia use a special way to feed the dogs. At lunchtime, the dogs will stand on one line,…
K-th Number Time Limit: 20000MS Memory Limit: 65536K Total Submissions: 50247 Accepted: 17101 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…
Feed the dogs Time Limit: 6000MS Memory Limit: 65536K Total Submissions: 16860 Accepted: 5273 Description Wind loves pretty dogs very much, and she has n pet dogs. So Jiajia has to feed the dogs every day for Wind. Jiajia loves Wind, but not the…
poj 2104 K-th Number 主席树+超级详细解释 传送门:K-th Number 题目大意:给出一段数列,让你求[L,R]区间内第几大的数字! 在这里先介绍一下主席树! 如果想了解什么是主席树,就先要知道线段树,主席树就是n棵线段树,因为线段树只能维护最大值或者最小值,要想求出第二大的数字怎么办呢?两颗线段树呗!好,那么第n大呢,就可以构造n棵线段树,这样的内存是显然会爆掉的,那么怎么办呢?因为每一次更新都是更新的是从叶子节点到根节点的一条路,路的长度大约是logn,如下图红色的为…
题目链接 K-th Number Time Limit: 20000MS Memory Limit: 65536K Total Submissions: 36890 Accepted: 11860 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key ins…
Description You are working for Macrohard company in data structures department. After failing your previous task about key insertion you were asked to write a new data structure that would be able to return quickly k-th order statistics in the array…
题意 : 给出一个含有 N 个数的序列,然后有 M 次问询,每次问询包含 ( L, R, K ) 要求你给出 L 到 R 这个区间的第 K 大是几 分析 : 求取区间 K 大值是个经典的问题,可以使用的方法有很多,我听过的只有主席树.整体二分法.划分树.分块…… 因为是看<挑战>书介绍的平方分割方法(分块),所以先把分块说了,其他的坑以后再填 分块算法思想是将区间分为若干块,一般分为 n1/2 块然后在每块维护所需信息,可以把复杂度降到 O(根号n) 具体的分析和代码在<挑战程序设计竞赛…
