#1236 : Scores 时间限制:4000ms 单点时限:4000ms 内存限制:256MB 描述 Kyle is a student of Programming Monkey Elementary School. Just as others, he is deeply concerned with his grades. Last month, the school held an examination including five subjects, without any do…

#1228 : Mission Impossible 6 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 You must have seen the very famous movie series,"Mission Impossible", from 1 to 4. And "Mission Impossible 5" is now on screen in China. Tom Cruise is just learning pro…

#1235 : New Teaching Buildings 时间限制:2000ms 单点时限:2000ms 内存限制:256MB 描述 Thanks to the generous finance income, Programming Monkey Elementary School is going to build three new teaching buildings. The school could be seen as a connected graph with n vert…

#1578 : Visiting Peking University 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 Ming is going to travel for n days and the date of these days can be represented by n integers: 0, 1, 2, …, n-1. He plans to spend m consecutive days(2 ≤ m ≤ n)in Beijing. Durin…

描述 Institute of Computational Linguistics (ICL), Peking University is an interdisciplinary institute of science and liberal arts, it focuses primarily on the fundamental researches and applications of language information processing. The research of…

描述 The history of Peking University Library is as long as the history of Peking University. It was build in 1898. At the end of year 2015, it had about 11,000 thousand volumes of books, among which 8,000 thousand volumes were paper books and the othe…

#1389 : Sewage Treatment 时间限制:2000ms 单点时限:2000ms 内存限制:256MB 描述 After years of suffering, people could not tolerate the pollution in the city any more, and started a long-lasting protest. Eventually, the municipal government made up its mind to deal w…

#1391 : Countries 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 There are two antagonistic countries, country A and country B. They are in a war, and keep launching missiles towards each other. It is known that country A will launch N missiles. The i-th miss…

#1392 : War Chess 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 Rainbow loves to play kinds of War Chess games. There are many famous War Chess games such as "Biography of Cao Cao", "Anecdotes of Wagang Mountain", etc. In this problem, let's c…

时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 You are given a list of integers a0, a1, …, a2^k-1. You need to support two types of queries: 1. Output Minx,y∈[l,r] {ax∙ay}. 2. Let ax=y. 输入 The first line is an integer T, indicating the number of test cases. (…