Cross

题目链接：戳这里King's Cake  Accepts: 960   Submissions: 1572 Time Limit: 2000/1000 MS (Java/Others)   Memory Limit: 65536/65536 K (Java/Others)问题描述阅兵式前一天，是国王的生日，大臣们为他准备了一个n×m(1≤n,m≤10000) 的蛋糕。他准备

链接：戳这里C. Gennady the Dentisttime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputGennady is one of the best child dentists in Berlan

链接：戳这里AaronsonTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Problem DescriptionRecently, Peter saw the equation x0+2x1+4x2+...+2mxm=n. He w

链接：戳这里A. Bear and Electionstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLimak is a grizzly bear who desires power and adorat

链接：戳这里C. Bear and Pokertime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLimak is an old brown bear. He often plays poker with h

链接：戳这里C. Replacementtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputDaniel has a string s, consisting of lowercase English let

链接：戳这里B. Barnicletime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputBarney is standing in a bar and starring at a pretty girl. He

链接：戳这里C. Lorenzo Von Matterhorntime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputBarney lives in NYC. NYC has infinite number of

链接：戳这里B. Inventorytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputCompanies always have a lot of equipment, furniture and other

链接：戳这里B. Robot's Tasktime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputRobot Doc is located in the hall, with n computers stand i

链接：戳这里C. Divisibility by Eighttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a non-negative integer n, its deci

链接：戳这里B. Escapetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe princess is going to escape the dragon's cave, and she needs

链接：戳这里C. Exponential notationtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a positive decimal number x.You

链接：戳这里C. Football Championshiptime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAny resemblance to any real championship and spo

链接：戳这里C. Efim and Strange Gradetime limit per test:1 secondmemory limit per test:256 megabytesinput:standard inputoutput:standard outputEfim just received

链接：戳这里LCISTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Problem DescriptionAlex has two sequences a1,a2,...,an and b1,b2,...,bm. He w

链接：戳这里中位数计数Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Problem Description中位数定义为所有值从小到大排序后排在正中间的那个数，如果值有偶数个，通常取最中间的两个数值的平均数作为中位数。现在有n个数，

链接：戳这里People CountingTime Limit: 2 Seconds      Memory Limit: 65536 KBIn a BG (dinner gathering) for ZJU ICPC team, the coaches wanted to count the number of people present at the BG. Th

链接：戳这里A. Grandma Laura and Applestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputGrandma Laura came to the market to sell some apples

B. More Cowbell题意：给定N表示铃铛的个数，和k表示箱子的个数，牛铃铛要放在箱子里运输，要求每个箱子放1个或者2个牛铃铛，且每个箱子都要放铃铛，箱子的大小相等，老板为了省钱，希望箱子越小越好( smallest )，求满足条件的箱子的尺寸。给定的n个铃铛的尺寸依次从小到大。样例：6 41 2 3 101 102 103{1 101} {2 3}

B 题意：ZYB在远足中,和同学们玩了一个“数字炸弹”游戏：由主持人心里想一个在[1,N][1,N]中的数字XX，然后玩家们轮流猜一个数字，如果一个玩家恰好猜中XX则算负，否则主持人将告诉全场的人当前的数和XX比是偏大还是偏小，然后猜测的范围就会相应减小，一开始的范围是[1,N][1,N].每个玩家只能在合法的范围中猜测. 现在假设只有两个人在玩这个游戏,并且两个人都已经知道了最后的XX,若两个人

链接：戳这里A. Joystickstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputFriends are going to play

链接：戳这里A：LCP Array题意：给定一个字符串s=s1s2s3s4...s5，si代表字符(小写字母)，知道任意两个相邻的后缀的最长公共前缀长度为一个整数ai，这个意思就是相邻字符相等的个数为ai。问满足该字符串s的种数。思路：样例43 2 1aaaa  aaa    aa      a显然这样的字符串必须是 aaaa (26字符任意一个) 才能满足

链接：戳这里A. Round Housetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya lives in a round building, whose entrances are number

链接：戳这里A. Far Relative’s Birthday Caketime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputDoor's family is going celebrate Famil Doors's

链接：戳这里A. Bear and Three Ballstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLimak is a little polar bear. He has n balls, the i-t

链接：戳这里A. Bear and Reverse Radewooshtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLimak and Radewoosh are going to compete ag

链接：戳这里C. Bear and Forgotten Tree 3time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA tree is a connected undirected graph consi

链接：戳这里#1283 : hiho密码时间限制:10000ms单点时限:1000ms内存限制:256MB描述小Ho根据最近在密码学课上学习到的知识，开发出了一款hiho密码，这款密码的秘钥是这样生成的：对于一种有N个字母的语言，选择一个长度为M的单词；将组成这个单词的所有字母按照顺序不重复的写出（即遇到相同字母时跳过）；然后将字母表剩下的没有使用过的字母按

链接：戳这里A. Little Artem and Presentstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle Artem got n stones on his birthday and

链接：戳这里jrMz and angles Time Limit: 2000/1000 MS (Java/Others)   Memory Limit: 65536/65536 K (Java/Others)问题描述jrMz有两种角，第一种角都是正nn边形的内角，第二种角都是正mm边形的内角。jrMz想选出其中一些，某种角可以选多个或一个都不选，使得选出的所

链接：戳这里Problem E: 积木积水Description现有一堆边长为1的已经放置好的积木，小明（对的，你没看错，的确是陪伴我们成长的那个小明）想知道当下雨天来时会有多少积水。小明又是如此地喜欢二次元，于是他把这个三维的现实问题简化成二维的问题。设雨量无穷、积木不透水、积木间无缝连接，问在这个二次元的世界里，已放置好的积木会有多少单位的积水量？I

链接：戳这里Matrix  Time Limit: 3000/1500 MS (Java/Others)   Memory Limit: 131072/131072 K (Java/Others)问题描述有一个nn行mm列的矩阵(1≤n≤1000,1≤m≤1000)，在这个矩阵上进行q(1≤q≤100,000) 个操作：1 x y: 交换矩阵M的第x行和第y

链接：戳这里Abelian PeriodTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/131072 K (Java/Others)Problem DescriptionLet S be a number string, and occ(S,x) means the times