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POJ2104 K-th Number —— 区间第k小 整体二分

题目链接:https://vjudge.net/problem/POJ-2104 K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 64110   Accepted: 22556 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After…

poj2104 k-th number 主席树入门讲解

poj2104 k-th number 主席树入门讲解 定义:主席树是一种可持久化的线段树 又叫函数式线段树   刚开始学是不是觉得很蒙逼啊 其实我也是 主席树说简单了 就是 保留你每一步操作完成之后的线段树 然后有可加减性 也就是说你每添加的一个点的那棵树都给你保留下来了 呃 ... 这么说好像还是有点生涩 那么就拿poj2104来举例子吧 慢慢讲我觉得会很好的 题意就是给你一个100000长度的数字 然后100000次询问［L,R］之间第k大的数字是多少 这个很容易看出来 暴力根本不可以 黑…

POJ2104 K-th Number [整体二分]

题目传送门 K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 69053   Accepted: 24471 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about ke…

POJ2104 K-th Number（主席树）

题目 Source http://poj.org/problem?id=2104 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 q…

POJ2104 K-th Number[主席树]【学习笔记】

K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 51440   Accepted: 17594 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…

[POJ2104]K-th Number

K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 34048   Accepted: 10810 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…

[poj2104] K-th Number (主席树)

主席树 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 a…

主席树：POJ2104 K-th Number (主席树模板题)

K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 44952   Accepted: 14951 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…

POJ2104 K-th Number(线段树)

题目链接 K-th Number #include <cstdio> #include <cstring> #include <iostream> #include <algorithm> using namespace std; #define rep(i, a, b) for (int i(a); i <= (b); ++i) #define lson i << 1, L, mid #define rson i << 1 |…

POJ2104 K-th Number (子区间内第k大的数字)【划分树算法模板应用】

K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 40920   Accepted: 13367 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…