Veritas des Liberty

摘要： Given a set of n items, each with a weight w[i] and a value v[i], determine a way to choose the items into a knapsack so that the total weight is less 阅读全文

摘要： ZB loves watching RunningMan! There's a game in RunningMan called 100 vs 100. There are two teams, each of many people. There are 3 rounds of fighting 阅读全文

摘要： Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. To minimize 阅读全文

摘要： As we know, Rikka is poor at math. Yuta is worrying about this situation, so he gives Rikka some math tasks to practice. There is one of them: Yuta ha 阅读全文

摘要： The northern part of the Pyramid contains a very large and complicated labyrinth. The labyrinth is divided into square blocks, each of them either fil 阅读全文

摘要： 题目链接 题意：给出n个数，求加和大于x的最短区间的区间长度。 如果前i个数字和为y，那么如果前j数字的和小于等于y-x，那么i-j就是一种可能的情况，我们对于所有的i找出前面最大的j就可以了，因为数据量比较大，用树状数组来处理前n项的最大值，但是每个数字又可能比较大，所以先离散化处理一下。 AC代 阅读全文

摘要： In mathematics, the nth harmonic number is the sum of the reciprocals of the first n natural numbers: In this problem, you are given n, you have to fi 阅读全文

摘要： In this problem, you are given an integer number s. You can transform any integer number A to another integer number B by adding x to A. This x is an 阅读全文

摘要： The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie could f 阅读全文

摘要： 原文链接 There are many trees forming a m * n grid, the grid starts from (1,1). Farmer Sherlock is standing at (0,0) point. He wonders how many trees he c 阅读全文