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原创 2018计算机保研夏令营情况介绍(清华,人大,北航,中科院计算所,中科院软件所,南大)

       本人从2018年5月份开始准备保研的事情,下面就自身情况,材料准备,高校夏令营条件,机试或笔试题目,面试形式等做一个介绍。在申请的学校中,除了北大信科被拒了以外,其他都取得了入营资格。下面也主要介绍一下最终去了的学校: 清华软件学院,人大信息学院,北航计算机学院,中科院软件所,中科院计算所,南大计算机学院。       也特别说明一下,我没有报上交以及浙大,浙大是没有夏令营的,不...

2018-08-26 13:53:30 18436 9

原创 POJ - 3522 

Slim Spandescription:Given an undirected weighted graph G, you should find one of spanning trees specified as follows. The graph G is an ordered pair (V, E), where V is a set of vertices {v1, v2, …, v

2017-08-10 17:43:10 333

原创 HDU - 2682 

Treedescription:There are N (2<=N<=600) cities,each has a value of happiness,we consider two cities A and B whose value of happiness are VA and VB,if VA is a prime number,or VB is a prime number or (VA

2017-08-10 17:24:39 240

原创 POJ 2031

Building a Space Stationdescription:You are a member of the space station engineering team, and are assigned a task in the construction process of the station. You are expected to write a computer prog

2017-08-10 17:13:39 251

原创 CodeForces 416C

Booking System description:Innovation technologies are on a victorious march around the planet. They integrate into all spheres of human activity! A restaurant called “Dijkstra’s Place” has started thi

2017-08-05 14:52:02 407

原创 CodeForces - 607B 

Zuma:Genos recently installed the game Zuma on his phone. In Zuma there exists a line of n gemstones, the i-th of which has color ci. The goal of the game is to destroy all the gemstones in

2017-08-05 14:34:39 238

原创 POJ 1651

Multiplication Puzzledescription:The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one card out of the row and scores the

2017-08-04 17:05:38 220

原创 POJ - 2955 

BracketsDescription:We give the following inductive definition of a “regular brackets” sequence: •the empty sequence is a regular brackets sequence, •if s is a regular brackets sequence, then (s) and

2017-08-04 16:51:11 224

原创 CodeForces 5C

Longest Regular Bracket SequenceDescription:This is yet another problem dealing with regular bracket sequences.We should remind you that a bracket sequence is called regular, if by inserting «+» and «1

2017-08-03 16:40:27 426

原创 CodeForces 455A

Boredom Alex doesn’t like boredom. That’s why whenever he gets bored, he comes up with games. One long winter evenin

2017-08-03 16:18:55 369

原创 CSU - 1973

Radar Installation Assume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a

2017-08-01 17:20:21 203

原创 CodeForces 803C

Maximal GCD :You are given positive integer number n. You should create such strictly increasing sequence of k positive numbers a1, a2, …, ak, that their sum is equal to n and greatest

2017-08-01 16:28:43 271

原创 CodeForces - 689B

Mike and ShortcutsRecently, Mike was very busy with studying for exams and contests. Now he is going to chill a bit by doing some sight seeing in the city.City consists of n intersecti

2017-07-31 17:22:11 306

原创 CSU - 1973

给自己出题的小XDescription:小X学习了dfs,为了练习搜索,开始给自己出题玩。 玩着玩着,一会把自己难住了,一会又被自己难倒了,真是有趣诶! 小X出的题: 现在有N个不同的正整数,求它们可以组成多少个这样的集合,满足: •集合内的元素数量S>1 •集合内任意两个数的差的绝对值都大于集合内的元素数量。Input第一行,一个正整数T(T<=20)表示数据组数。 对于每组数据

2017-07-29 15:57:52 234

原创 CSU - 1972

大梵天的恩赐Description:许久没有抽到SSR的子浩君,祈求上天赐给他一个SSR,他的诚信感动了大梵天,于是,大梵天又弄了一个2*n层的汉诺塔,一共有n种大小,每种大小两个,从上往下按照从小到大依次放置,如果子浩君能够按照汉诺塔的规则摆放好,那么就赐予子浩君一个SSR。 然而当子浩君摆好的时候,大梵天说:“No,no,no,这不是我想要的,我需要初始情况是什么样的结果就是什么样的,即使大

2017-07-29 14:47:33 252

原创 CSU - 1974

神奇药水 对于csuxushu来说,能够在CSU(California State University)组织2017年的ACM暑期集训让他感到十分荣幸。 csuxushu是一名充满梦想的程序员,因此他也希望来参加暑期集训的ACM萌新们和他一样怀揣着书写CSU-ACM历史的梦想。 一个偶然的机会,他在机房的某个角落得到了一本来自远古神犇的药水配方秘籍。秘籍上记载了许多AC药水配方

2017-07-29 14:13:04 345

原创 HDU - 1518

SquareDescription:Given a set of sticks of various lengths, is it possible to join them end-to-end to form a square?InputThe first line of input contains N, the number of test cases. Each test case beg

2017-07-28 18:05:17 264

原创 CSU - 1600

Twenty-four pointDescription:Given four numbers, can you get twenty-four through the addition, subtraction, multiplication, and division? Each number can be used only once.InputThe input consists of mu

2017-07-28 17:44:01 219

原创 HihoCoder - 1049

后序遍历根据前序遍历,中序遍历的结果求后序遍历的序列。Description:在参与过了美食节之后,小Hi和小Ho在别的地方又玩耍了一阵子,在这个过程中,小Ho得到了一个非常有意思的玩具——一棵由小球和木棍连接起来的二叉树!

2017-07-28 17:25:09 233

原创 HDU - 1274

展开字符串:在纺织CAD系统开发过程中,经常会遇到纱线排列的问题。 该问题的描述是这样的:常用纱线的品种一般不会超过25种,所以分别可以用小写字母表示不同的纱线,例如:abc表示三根纱线的排列;重复可以用数字和括号表示,例如:2(abc)表示abcabc;1(a)=1a表示a;2ab表示aab;如果括号前面没有表示重复的数字出现,则就可认为是1被省略了,如:cd(abc)=

2017-07-27 17:46:20 554

原创 HDU - 2050

折线分割平面 我们看到过很多直线分割平面的题目,今天的这个题目稍微有些变化,我们要求的是n条折线分割平面的最大数目。比如,一条折线可以将平面分成两部分,两条折线最多可以将平面分成7部分,具体如下所示。

2017-07-27 17:23:40 283

原创 UVA - 12627

Erratic Expansion description:Piotr found a magical box in heaven. Its magic power is that if you place any red balloon inside it then, after one hour, it will multiply to form 3 red and 1 blue c

2017-07-27 17:05:29 242

原创 CodeForces - 589F

Gourmet and BanquetA gourmet came into the banquet hall, where the cooks suggested n dishes for guests. The gourmet knows the schedule: whe

2017-07-26 17:31:47 256

原创 CodeForces - 527C

Glass Carving:Leonid wants to become a glass carver (the person who creates beautiful artworks by cutting the glass). He already has a rectangular w mm  ×  h mm sheet of glass, a diamond

2017-07-26 17:07:10 405

原创 POJ - 3104

DryingIt is very hard to wash and especially to dry clothes in winter. But Jane is a very smart girl. She is not afraid of this boring process

2017-07-26 14:09:22 177

原创 POJ - 3258

River Hopscotch Every year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to rock

2017-07-26 09:00:48 226

原创 HDU - 2199

Can you solve this equation? Now,given the equation 8*x^4 + 7*x^3 + 2*x^2 + 3*x + 6 == Y,can you find its solution between 0 and 100; Now please try your lucky.

2017-07-26 08:31:29 282

原创 CodeForces - 831C

Jury Marks Polycarp watched TV-show where k jury members one by one rated a participant by adding him a certain number of points (may be neg

2017-07-25 16:44:53 292

原创 POJ-3096

POJ-3096 Surprising StringsThe D-pairs of a string of letters are the ordered pairs of letters that are distance D from each other. A string is D-unique if all of its D-pairs are different. A string is surp

2017-07-25 16:10:04 227

原创 HDU - 1896

Because of the wrong status of the bicycle, Sempr begin to walk east to west every morning and walk back every evening. Walking may cause a little tired, so Sempr always play some games this time

2017-07-25 15:38:13 235

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