题面 Vjudge Sol 给一个数列,有m个询问,每次问数列[l,r]区间中所有数的第一次出现的位置的中位数是多少,强制在线 主席树 询问区间内不同的数的个数 树上二分找到那个中位数 # include <bits/stdc++.h> # define RG register # define IL inline # define Fill(a, b) memset(a, b, sizeof(a)) using namespace std; typedef long long ll; con…

[HDU5919]Sequence II 试题描述 Mr. Frog has an integer sequence of length n, which can be denoted as a1,a2,⋯,an There are m queries. In the i-th query, you are given two integers li and ri. Consider the subsequence al_i,al_(i+1),al_(i+2),⋯,ari. We can den…

Sequence II Problem Description   Mr. Frog has an integer sequence of length n, which can be denoted as a1,a2,⋯,an There are m queries. In the i-th query, you are given two integers li and ri. Consider the subsequence ali,ali+1,ali+2,⋯,ari. We can de…

Sequence II Time Limit: 9000/4500 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1422    Accepted Submission(s): 362 Problem Description Mr. Frog has an integer sequence of length n, which can be denoted as a1,a2…

树阵: 每个号码的前面维修比其数数少,和大量的这后一种数比他的数字 再枚举每一个位置组合一下 Sequence II Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 121    Accepted Submission(s): 58 Problem Description Long long ago, there is a sequen…

Sequence II Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description Long long ago, there is a sequence A with length n. All numbers in this sequence is no smaller than 1 and no bigger than n, and all nu…

题目链接 Sequence II Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 331    Accepted Submission(s): 151 Problem Description Long long ago, there is a sequence A with length n. All numbers in this se…

Sequence IITime Limit: 5000/2500 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem DescriptionLong long ago, there is a sequence A with length n. All numbers in this sequence is no smaller than 1 and no bigger than n, and all numbers…

Sequence II Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 652    Accepted Submission(s): 164 Problem Description Long long ago, there is a sequence A with length n. All numbers in this sequenc…

LeetCode:课程表II[210] 题目描述 现在你总共有 n 门课需要选,记为 0 到 n-1. 在选修某些课程之前需要一些先修课程. 例如,想要学习课程 0 ,你需要先完成课程 1 ,我们用一个匹配来表示他们: [0,1] 给定课程总量以及它们的先决条件,返回你为了学完所有课程所安排的学习顺序. 可能会有多个正确的顺序,你只要返回一种就可以了.如果不可能完成所有课程,返回一个空数组. 示例 1: 输入: 2, [[1,0]] 输出: [0,1] 解释: 总共有 2 门课程.要学习课程 1…