http://poj.org/problem?id=2104 题目大意:求区间第k小. —————————————————————————— 主席树板子题. ……我看了半天现在还是一知半解的状态所以应该不会出讲解了. #include<cstdio> #include<queue> #include<cctype> #include<cstring> #include<cmath> #include<vector> #include&…

题目背景 这是个非常经典的主席树入门题--静态区间第K小 数据已经过加强,请使用主席树.同时请注意常数优化 题目描述 如题,给定N个正整数构成的序列,将对于指定的闭区间查询其区间内的第K小值. 输入输出格式 输入格式: 第一行包含两个正整数N.M,分别表示序列的长度和查询的个数. 第二行包含N个正整数,表示这个序列各项的数字. 接下来M行每行包含三个整数 l, r, kl,r,k , 表示查询区间 [l, r][l,r] 内的第k小值. 输出格式: 输出包含k行,每行1个正整数,依次表示每一次查…

版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm. C#版 - Leetcode 347. Top K Frequent Elements - 题解 在线提交: https://leetcode.com/problems/top-k-frequent-elements/ Description Given a non-empty array of integers…

版权声明: 本文为博主Bravo Yeung(知乎UserName同名)的原创文章,欲转载请先私信获博主允许,转载时请附上网址 http://blog.csdn.net/lzuacm. C#版 - Leetcode 414. Third Maximum Number题解 在线提交: https://leetcode-cn.com/problems/third-maximum-number 题目描述 414. 第三大的数 给定一个非空数组,返回此数组中第三大的数.如果不存在,则返回数组中最大的数.…

题意:问你区间第k大是谁 思路:主席树就是可持久化线段树,他是由多个历史版本的权值线段树(不是普通线段树)组成的. 具体可以看q学姐的B站视频 代码: #include<cmath> #include<set> #include<queue> #include<cstdio> #include<vector> #include<cstring> #include <iostream> #include<algorit…

题目描述 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 segmen…

aaarticlea/png;base64,iVBORw0KGgoAAAANSUhEUgAABToAAAJ2CAIAAADwi6oDAAAgAElEQVR4nOy9a5Pj1nnvi0/Q71Llj3…

K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 44537   Accepted: 14781 Case Time Limit: 2000MS Description You are working for Macrohard company in data structures department. After failing your previous task about key inse…

Letter Combinations of a Phone Number: Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telephone buttons) is given below. Input:Digit string "23" Outp…

+++++++++++++++++++++++++++++++++++++++++++ +本文作者:luyouqi233. + +欢迎访问我的博客:http://www.cnblogs.com/luyouqi233/+ +++++++++++++++++++++++++++++++++++++++++++ http://www.lydsy.com/JudgeOnline/problem.php?id=3110 Description 有N个位置,M个操作.操作有两种,每次操作如果是1 a b c…