摘要： PalindromeTime Limit: 3000MSMemory Limit: 65536KTotal Submissions: 43759Accepted: 14920DescriptionA palindrome is a symmetrical string, that is, a string read identically from left to right as well as from right to left. You are to write a program which, given a string, determines the minimal number 阅读全文

摘要： River HopscotchTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 4473Accepted: 1928DescriptionEvery year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to rock in a river. The excitement takes place on a long, straight river with a r 阅读全文

摘要： A Knight's JourneyTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 21849Accepted: 7379DescriptionBackground The knight is getting bored of seeing the same black and white squares again and again and has decided to make a journey around the world. Whenever a knight moves, it is two square 阅读全文

摘要： Catch That CowTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 32071Accepted: 9866DescriptionFarmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100, 阅读全文

摘要： Snowflake Snow SnowflakesTime Limit: 4000MSMemory Limit: 65536KTotal Submissions: 23642Accepted: 6183DescriptionYou may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Your program will read information about a collection of snow 阅读全文

摘要： Spell checkerTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 14375Accepted: 5288DescriptionYou, as a member of a development team for a new spell checking program, are to write a module that will check the correctness of given words using a known dictionary of all correct words in all their 阅读全文

摘要： LianLianKanTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 243Accepted Submission(s): 123Problem DescriptionI like playing game with my friends, although sometimes look pretty naive. Today I invent a new game called LianLianKan. The game is about p 阅读全文

摘要： Flip GameTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 20263Accepted: 8783DescriptionFlip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white and the other one is black and each piece is lying either it's bl 阅读全文

摘要： Fish买电脑Time Limit : 3000/1000ms (Java/Other)Memory Limit : 65535/32768K (Java/Other)Total Submission(s) : 11Accepted Submission(s) : 6Font: Times New Roman | Verdana | GeorgiaFont Size: ← →Problem Description在暑假集训一段时间后，Fish决定要买一台电脑了,想要成为一名合格的ACMer没有一台好的电脑是不行的，可是Fish对电脑硬件方面一窍不通，于是找来Rexdf帮忙，Rexdf可是软硬件 阅读全文

摘要： CO-ABILITYTime Limit : 3000/1000ms (Java/Other)Memory Limit : 65535/32768K (Java/Other)Total Submission(s) : 20Accepted Submission(s) : 11Font: Times New Roman | Verdana | GeorgiaFont Size: ← →Problem DescriptionThe Regional Contest is coming near, and all the acmers become very excited. As well as 阅读全文