TaoismHuang的博客

Problem DescriptionLillian is a clever girl so that she has lots of fans and often receives gifts from her fans.One day Lillian gets some segments from her fans Lawson with lengths of 1, 2, 3 … and she intends to display them by adding them to a number l

Problem DescriptionAs we know, Rikka is poor at math. Yuta is worrying about this situation, so he asks rikka to have some practice on codeforces. Then she opens the problem B:Given an integer K, she needs to come up with an sequence of integers A satisf

Problem Description很多学校流行一种比较的习惯。老师们很喜欢询问，从某某到某某当中，分数最高的是多少。这让很多学生很反感。不管你喜不喜欢，现在需要你做的是，就是按照老师的要求，写一程序，模拟老师的询问。当然，老师有时候需要更新某位同学的成绩。Input本题目包含多组测试，请处理到文件结束。在每个测试第一行，有两个正整数N和M ( 0<N<=200000,0<M<5000 )，分别代表学生的数目和操作的数目。学生ID编号分别从1编到N。第二行包含N个整数，

Problem DescriptionRecently Rikka falls in love with an old but interesting game – 24 points. She wants to become a master of this game, so she asks Yuta to give her some problems to practice.Quickly, Rikka solved almost all of the problems but the remai

Problem DescriptionAn IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons — 8 blocks in total, each block has four hexadecimal digits. Here is an example

Problem Descriptionsoda has a set S with n integers {1,2,…,n}. A set is called key set if the sum of integers in the set is an even number. He wants to know how many nonempty subsets of S are key set.InputThere are multiple test cases. The first line of