Meek

摘要： Aragorn's Story Description Our protagonist is the handsome human prince Aragorn comes from The Lord of the Rings. One day Aragorn finds a lot of enem 阅读全文

摘要： 1036: [ZJOI2008]树的统计Count Description 一棵树上有n个节点，编号分别为1到n，每个节点都有一个权值w。我们将以下面的形式来要求你对这棵树完成一些操作： I. CHANGE u t : 把结点u的权值改为t II. QMAX u v: 询问从点u到点v的路径上的节点 阅读全文

摘要： E. XOR and Favorite Number Bob has a favorite number k and ai of length n. Now he asks you to answer m queries. Each query is given by a pair li and r 阅读全文

摘要： 375. Query on a tree Problem code: QTREE You are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1. 阅读全文

摘要： Remember the Word Since Jiejie can’t remember numbers clearly, he just uses sticks to help himself. Allowing for Jiejie’sonly 20071027 sticks, he can 阅读全文

摘要： Jam's balance Problem Description Jim has a balance and N weights. (1≤N≤20)The balance can only tell whether things on different side are the same wei 阅读全文

摘要： Draw a Mess It’s graduated season, every students should leave something on the wall, so....they draw a lot ofgeometry shape with different color.When 阅读全文

摘要： Frequent values You are given a sequence of n integers a1, a2, . . . , an in non-decreasing order. In addition to that, youare given several queries c 阅读全文

摘要： 等了好久终于等到今天 马上能和群巨们一起学习了 希望不要暴露我太弱的本质............ 北京不冷，就是风大~~~ 1.24 8点准时起床了，准备下楼吃早饭 （这个宾馆好多美美的空姐对面就是东航~） = = 找到今天我们的座位，座位后面是电子科大卿俊。。。。。。 一个半小时热身我们爆零惹，， 阅读全文

摘要： Error CurvesJosephina is a clever girl and addicted to Machine Learning recently. She pays much attention to amethod called Linear ... 阅读全文