摘要： Island TransportTime Limit: 20000/10000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1296Accepted Submission(s): 421Problem Description In the vast waters far far away, there are many islands. People are living on the islands, and all the transport among the islands. 阅读全文

摘要： Power NetworkTime Limit: 2000MSMemory Limit: 32768KTotal Submissions: 18609Accepted: 9833DescriptionA power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be supplied with an amount s(u) >= 0 of power, may produce an amount 0 阅读全文

摘要： TravelTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1380Accepted Submission(s): 433Problem Description PP loves travel. Her dream is to travel around country A which consists of N cities and M roads connecting them. PP has measured the money ea. 阅读全文

摘要： Data HandlerTime Limit: 20000/10000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 689Accepted Submission(s): 159Problem Description You are in charge of data in a company, so you are called "Data Handler". Different from the data in computer, the data you ha 阅读全文

摘要： The Ghost Blows LightTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 590Accepted Submission(s): 194Problem DescriptionMy name is Hu Bayi, robing an ancient tomb in Tibet. The tomb consists of N rooms (numbered from 1 to N) which are connected by so 阅读全文

摘要： LianLianKanTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 840Accepted Submission(s): 280Problem DescriptionI like playing game with my friend, although sometimes looks pretty naive. Today I invent a new game called LianLianKan. The game is about p 阅读全文