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)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…

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…

6990: Sequence II 时间限制: 3 Sec  内存限制: 128 MB提交: 206  解决: 23[提交][状态][讨论版][命题人:admin] 题目描述 We define an element ai in a sequence "good", if and only if there exists a j(1≤ j < i) such that aj < ai.Given a permutation p of integers from 1 to n…

[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 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…

题意: 给一串数字,每个数字的位置是这个数第一次出现的位置. 每个询问对于序列的一个子区间,设一共有k个不同的数,求第ceil(k/2)个数的位置. 因为强制在线,所以离线乱搞pass掉. 主席树可解. 考虑一个数列: p      1 2 3 4 5 6  // 原序列标号 a : 1 2 1 2 3 4  // 原序列 p1 1 2 1 2 5 6  // 子序列开始下标为1 p2        2 3 1 5 6 p3           3 4 5 6 p4              4…