股票价格 时间限制:20000ms 单点时限:2000ms 内存限制:256MB 描述 小Hi最近在分析一支股票的价格走势,他需要一个程序来辅助分析.这个程序会接收3种消息(指令): 价格信息,格式是P timestamp price:表示这支股票在 timestamp 时刻价格是 price. 删除价格指令,格式是R timestamp:随着时间推移,小Hi会积累越来越多的价格数据.一些老旧的数据会变得不重要.这个指定会删除 timestamp以前(包括 timestamp 时刻)的价格数据.…

传送门: Vjudge:https://vjudge.net/problem/Gym-101170F CF: http://codeforces.com/gym/101170 The city of Bath is a noted olympic training ground—bringing local, national, and even international teams to practice. However, even the finest gymnasium falls v…

Skip the Class Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1028 Accepted Submission(s): 599 Problem Description Finally term begins. luras loves school so much as she could skip the class happ…

The Enterprise is surrounded by Klingons! Find the escape route that has the quickest exit time, and print that time. Input is a rectangular grid; each grid square either has the Enterprise or some class of a Klingon warship. Associated with each cla…

H - Generating Sets Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Description You are given a set Y of ndistinct positive integers y1, y2, ..., yn. Set X of ndistinct positive integers x1, x2, ..., xn is…

题目链接 题目意思很简单nm的矩阵里, 选若干个ab的小矩阵, 定义每个矩阵的值为这个矩阵里的所有数的和-最小值*数的个数. 选小矩阵时, 优先选值最小的,然后次小的.. 知道不能选位置. 输出所有矩阵的左上角那个数的坐标以及这个矩阵的值. 思路很简单, 将所有矩阵的值加到一个优先队列里面, 然后一个一个的删除. 直到矩阵空. 不好做的是求一个矩阵中的最小值. 我先是用二维线段树, tle. 然后用二维st表, mle.... 然后看cf上的代码 ,用一个multiset来搞. 具体看代码..…

Description 经过锦囊相助,海东集团终于度过了危机,从此,HDU的发展就一直顺风顺水,到了2050年,集团已经相当规模了,据说进入了钱江肉丝经济开发区500强.这时候,XHD夫妇也退居了二线,并在风景秀美的诸暨市�浦镇陶姚村买了个房子,开始安度晚年了. 这样住了一段时间,徐总对当地的交通还是不太了解.有时很郁闷,想去一个地方又不知道应该乘什么公交车,在什么地方转车,在什么地方下车(其实徐总自己有车,却一定要与民同乐,这就是徐总的性格). 徐总经常会问蹩脚的英文问路:“Can you h…

每次忘记都去查,真难啊 /* C/C++解题常用STL大礼包 含vector,map,set,queue(含优先队列) ,stack的常用用法 */ /* vector常用用法 */ //头文件 #include<vector> //常用的初始化方法 vector<int> v; //直接定义一个整型元素的向量 且未声明长度,其中int的位置可以换成别的数据类型或者结构体等 vector<); //定义了10个整型元素的向量,其中每一个数都没有初值 vector<, )…

F. Contestants Ranking time limit per test:1 second memory limit per test:24 megabytes input:standard input output:standard output Ahmad is one of the best students in HIAST, and also a very good problems Solver. In the time you will spend reading th…

Problem 1037: Wormhole Time Limits:  5000 MS   Memory Limits:  200000 KB 64-bit interger IO format:  %lld   Java class name:  Main Description With our time on Earth coming to an end, Cooper and Amelia have volunteered to under- take what could be th…