摘要：A Knight's Journey Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 47516 Accepted: 16161 Description Background The knight is getting bored 阅读全文

摘要：Robot Motion Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 14641 Accepted: 7032 Description A robot has been programmed to follow the ins 阅读全文

摘要：Crashing Robots Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11233 Accepted: 4753 Description In a modernized warehouse, robots are used 阅读全文

摘要：Parencodings Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 27375 Accepted: 16094 Description Let S = s1 s2...s2n be a well-formed string 阅读全文

摘要：Y2K Accounting Bug Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16154 Accepted: 8111 Description Accounting for Computer Machinists (ACM 阅读全文

摘要：Power of Cryptography Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 26249 Accepted: 13121 Description Current work in cryptography involv 阅读全文

摘要：Radar Installation Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 93433 Accepted: 20855 Description Assume the coasting is an infinite str 阅读全文

摘要：The Pilots Brothers' refrigerator Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 27522 Accepted: 10625 Special Judge Description The game 阅读全文

摘要：Flip Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 47766 Accepted: 20383 Description Flip game is played on a rectangular 4x4 field 阅读全文

摘要：Assume the coasting is an infinite straight line. Land is in one side of coasting, sea in the other. Each small island is a point locating in the sea 阅读全文

摘要：Flip Game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 46519 Accepted: 19915 Description Flip game is played on a rectangular 4x4 field 阅读全文

摘要：Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used t 阅读全文

摘要：Description The multiplicative persistence of a number is defined by Neil Sloane (Neil J.A. Sloane in The Persistence of a Number published in Journal 阅读全文

摘要：Find The Multiple Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 33882 Accepted: 14173 Special Judge Description Given a positive integer 阅读全文

摘要：食物链 Description 动物王国中有三类动物A,B,C，这三类动物的食物链构成了有趣的环形。A吃B， B吃C，C吃A。 现有N个动物，以1－N编号。每个动物都是A,B,C中的一种，但是我们并不知道它到底是哪一种。 有人用两种说法对这N个动物所构成的食物链关系进行描述： 第一种说法是"1 X 阅读全文

摘要：Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. To minimize 阅读全文

摘要：~~~~连续三道水题，也只能用提高手速这样理由来安慰自己了，不过，从d题数组超限自己改为边存边合并的方法看来还是有收获吧，只能这样强行“收获了”（泪目） 某省调查城镇交通状况，得到现有城镇道路统计表，表中列出了每条道路直接连通的城镇。省政府“畅通工程”的目标是使全省任何两个城镇间都可以实现交通（但不 阅读全文

摘要：The Windy's Description The Windy's is a world famous toy factory that owns M top-class workshop to make toys. This year the manager receives N orders 阅读全文

摘要：Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple trees. Each ant colony needs its own apple tree to feed 阅读全文

摘要：Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains K asteroids 阅读全文