Sequence II Time Limit: 9000/4500 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 849 Accepted Submission(s): 204 Problem Description Mr. Frog has an integer sequence of length n, which can be denoted as a1,a2,⋯…
Dynamic Rankings Time Limit: 10000MS Memory Limit: 32768KB 64bit IO Format: %lld & %llu Submit Status Description The Company Dynamic Rankings has developed a new kind of computer that is no longer satisfied with the query like to simply find the…
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…
To the moon Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 5117 Accepted Submission(s): 1152 Problem Description BackgroundTo The Moon is a independent game released in November 2011, it is…
题目链接: http://poj.org/problem?id=2104 K-th Number Time Limit: 20000MSMemory Limit: 65536K 问题描述 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…