摘要： Prison BreakTime Limit: 5000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2178Accepted Submission(s): 533Problem DescriptionRompire is a robot kingdom and a lot of robots live there peacefully. But one day, the king of Rompire was captured by human beings. His t 阅读全文

摘要： TravellingTime Limit: 6000/3000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2338Accepted Submission(s): 668Problem DescriptionAfter coding so many days,Mr Acmer wants to have a good rest.So travelling is the best choice!He has decided to visit n cities(he insists on 阅读全文

摘要： Life FormsTime Limit:5000MSMemory Limit:65536KTotal Submissions:7322Accepted:2011DescriptionYou may have wondered why most extraterrestrial life forms resemble humans, differing by superficial traits such as height, colour, wrinkles, ears, eyebrows and the like. A few bear no human resemblance; thes 阅读全文

摘要： Common SubstringsTime Limit:5000MSMemory Limit:65536KTotal Submissions:5495Accepted:1822DescriptionA substring of a stringTis defined as:T(i,k)=TiTi+1...Ti+k-1, 1≤i≤i+k-1≤|T|.Given two stringsA,Band one integerK, we defineS, a set of triples (i,j,k):S= {(i,j,k) |k≥K,A(i,k)=B(j,k)}.You are to give th 阅读全文