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Catch That CowTime Limit : 4000/2000ms (Java/Other)Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 48Accepted Submission(s) : 16Problem DescriptionFarmer 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 ≤ 100,00 阅读全文
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Children of the Candy CornTime Limit : 2000/1000ms (Java/Other)Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 20Accepted Submission(s) : 10Problem DescriptionThe cornfield maze is a popular Halloween treat. Visitors are shown the entrance and must wander through the maze facing zombi 阅读全文
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A Knight's JourneyTime Limit : 2000/1000ms (Java/Other)Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 51Accepted Submission(s) : 17Problem DescriptionBackground The knight is getting bored of seeing the same black and white squares again and again and has decided to make a journe 阅读全文
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Flip GameTime Limit : 2000/1000ms (Java/Other)Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 44Accepted Submission(s) : 17Problem DescriptionFlip 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 阅读全文
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Radar InstallationTime Limit : 2000/1000ms (Java/Other)Memory Limit : 20000/10000K (Java/Other)Total Submission(s) : 60Accepted Submission(s) : 11Problem DescriptionAssume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a point locat 阅读全文
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The Cow LexiconTime Limit : 4000/2000ms (Java/Other)Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 16Accepted Submission(s) : 10Problem DescriptionFew know that the cows have their own dictionary with W (1 ≤ W ≤ 600) words, each containing no more 25 of the characters 'a'..&# 阅读全文
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通过这道题我基本了解了利用二进制对多重背包问题进行优化的思想。Cash MachineTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 24191Accepted: 8466DescriptionA Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate @ bills for a requested cash amount. The machine uses exactly N distinct 阅读全文
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PearlsTime Limit : 2000/1000ms (Java/Other)Memory Limit : 20000/10000K (Java/Other)Total Submission(s) : 22Accepted Submission(s) : 12Problem DescriptionIn Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pearls in it. The Royal Pearl has its 阅读全文
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转的别人的找了很多就这个比较好理解。Problem Description据说在很久很久以前，可怜的兔子经历了人生中最大的打击——赛跑输给乌龟后，心中郁闷，发誓要报仇雪恨，于是躲进了杭州下沙某农业园卧薪尝胆潜心修炼，终于练成了绝技，能够毫不休息得以恒定的速度(VR m/s)一直跑。兔子一直想找机会好好得教训一下乌龟，以雪前耻。 最近正值HDU举办50周年校庆，社会各大名流齐聚下沙，兔子也趁此机会向乌龟发起挑战。虽然乌龟深知获胜希望不大，不过迫于舆论压力，只能接受挑战。 比赛是设在一条笔直的道路上，长度为L米，规则很简单，谁先到达终点谁就算获胜。 无奈乌龟自从上次获胜以后，成了名龟，被一些八卦杂 阅读全文
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ContestsProblemsRanklistStatusStatisticsEtaoin ShrdluTime Limit : 2000/1000ms (Java/Other)Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 59Accepted Submission(s) : 12Problem DescriptionThe relative frequency of characters in natural language texts is very important for cryptography. 阅读全文