小寒

PacketsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 46895 Accepted: 15868DescriptionA factory produces products packed in square packets of the same height h and of the sizes 1*

Milking TimeTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 5702 Accepted: 2386DescriptionBessie is such a hard-working cow. In fact, she is so focused on maximizing her producti

SumsetsTime Limit: 2000MS Memory Limit: 200000KTotal Submissions: 14323 Accepted: 5699DescriptionFarmer John commanded his cows to search for different sets of numbers that sum to a given nu

Network SaboteurTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 9706 Accepted: 4633DescriptionA university network is composed of N computers. System administrators gathered inform

Oil DepositsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 13709 Accepted: 7473DescriptionThe GeoSurvComp geologic survey company is responsible for detecting underground oil depo

棋盘问题Time Limit: 1000MS Memory Limit: 10000KTotal Submissions: 25790 Accepted: 12756Description在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放

Fire NetTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7281 Accepted Submission(s): 4150Problem DescriptionSuppose that we have a sq

Image PerimetersTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 8178 Accepted: 4903DescriptionTechnicians in a pathology lab analyze digitized images of slides. Objects on a slide

Game PredictionTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 9870 Accepted: 4733DescriptionSuppose there are M people, including you, playing a special card game. At the beginnin

pilot系列之最基础的穷竭搜索（初级篇）C题意：药药!切克闹! 煎饼果子来一套!有一个烤饼器可以烤r行c列的煎饼，煎饼可以正面朝上（用1表示）也可以背面朝上（用0表示）。一次可将同一行或同一列的煎饼全部翻转。现在需要把尽可能多的煎饼翻成正面朝上，问最多能使多少煎饼正面朝上？输入：多组输入，每组第一行为二整数r, c (1 ≤ r ≤ 10, 1 ≤ c ≤ 10 000)，剩下r行c列表

Saruman's ArmyTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 5071 Accepted: 2628DescriptionSaruman the White must lead his army along a straight path from Isengard to Helm’s Deep.

Fence RepairTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 30189 Accepted: 9748DescriptionFarmer John wants to repair a small length of the fence around the pasture. He measures

Stall ReservationsTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 3660 Accepted: 1313 Special JudgeDescriptionOh those picky N (1 <= N <= 50,000) cows! They are so picky that each

Yogurt factoryTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 7418 Accepted: 3801DescriptionThe cows have purchased a yogurt factory that makes world-famous Yucky Yogurt. Over the

Smallest DifferenceTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 5580 Accepted: 1509DescriptionGiven a number of distinct decimal digits, you can form one integer by choosing a n

HopscotchTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 2419 Accepted: 1728DescriptionThe cows play the child's game of hopscotch in a non-traditional way. Instead of a linear set

Lake CountingTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 22854 Accepted: 11526DescriptionDue to recent rains, water has pooled in various places in Farmer John's field, which i

AntsTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 11415 Accepted: 5059DescriptionAn army of ants walk on a horizontal pole of length l cm, each with a constant speed of 1 cm/s. W

Best Cow LineTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 12792 Accepted: 3707DescriptionFJ is about to take his N (1 ≤ N ≤ 2,000) cows to the annual"Farmer of the Year" competi

Cleaning ShiftsTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 12883 Accepted: 3333DescriptionFarmer John is assigning some of his N (1 <= N <= 25,000) cows to do some cleaning cho

Knight MovesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8010 Accepted Submission(s): 4719Problem DescriptionA friend of you is do

Crossing RiverTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 11365 Accepted: 4296DescriptionA group of N people wishes to go across a river with only one boat, which can at most c

Yogurt factoryTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 7306 Accepted: 3743DescriptionThe cows have purchased a yogurt factory that makes world-famous Yucky Yogurt. Over the

Counterfeit DollarTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 38774 Accepted: 12369DescriptionSally Jones has a dozen Voyageur silver dollars. However

The 3n + 1 problemTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 50496 Accepted: 15980DescriptionProblems in Computer Science are often classified as bel

排名Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 14714    Accepted Submission(s): 5383Problem Description今天的上机考试虽然有实时的Ranklist，

玛雅历Time Limit: 1000MS Memory Limit: 10000KTotal Submissions: 64696 Accepted: 19939Description上周末，M.A. Ya教授对古老的玛雅有了一个重大发现。从一个古老的节绳（玛雅人用于记事的工具）中，教授发现玛雅人使用了一个一年有365天的叫

房间安排时间限制：3000 ms  |  内存限制：65535 KB难度：2描述 2010年上海世界博览会(Expo2010),是第41届世界博览会。于2010年5月1日至10月31日期间，在中国上海市举行。本次世博会也是由中国举办的首届世界博览会。上海世博会以“城市，让生活更美好”(Better City,Better Life)为主题，将充分探索21世纪城市生活。这次世

输入正整数n(2<=n<=100),把阶乘n!=1*2*3*4*

假设你有一个各位数字互不相同的四位数，

输入一个字典（用******结束），然后再输入若干单词。没输入一个单词W，

EncodingTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 28510    Accepted Submission(s): 12635Problem DescriptionGiven a string

又见GCDTime Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 11855    Accepted Submission(s): 5013Problem Description有三个正整数a,b,c(0

Round NumbersTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 9477 Accepted: 3396DescriptionThe cows, as you know, have no fingers or thumbs and thus are

迷宫问题Time Limit: 1000MS Memory Limit: 65536KTotal Submissions: 9877 Accepted: 5848Description定义一个二维数组： int maze[5][5] = {0, 1, 0, 0, 0,0, 1, 0, 1, 0,0, 0, 0, 0, 0,0, 1, 1,

Radar InstallationTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 58677 Accepted: 13205DescriptionAssume the coasting is an infinite straight line. Land is in one side of coasting,

Knight MovesTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 22794 Accepted: 10654DescriptionBackground Mr Somurolov, fabulous chess-gamer indeed, asserts that no one else but him

The Blocks ProblemTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 4914 Accepted: 2090DescriptionMany areas of Computer Science use simple, abstract domains for both analytical and

The SetStack ComputerTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 995 Accepted: 206DescriptionBackground from Wikipedia: "Set theory is a branch of mathematics created principal

Wooden SticksTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11581 Accepted Submission(s): 4780Problem DescriptionThere is a pile of