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C - ParquetCrawling in process...Crawling failedTime Limit:2000MSMemory Limit:262144KB 64bit IO Format:%I64d & %I64uSubmitStatus Practice CodeForces 26C DescriptionOnce Bob decided to lay a parquet floor in his living room. The living room is of sizen × m metres. Bob had planks of three typ 阅读全文
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Farm IrrigationTime Limit: 2 Seconds Memory Limit: 65536 KB Benny has a spacious farm land to irrigate. The farm land is a rectangle, and is divided into a lot of samll squares. Water pipes are placed in these squares. Different square has a different type of pipe. There are 11 types of pipes, which 阅读全文
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Tempter of the BoneTime Limit: 2 Seconds Memory Limit: 65536 KB The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie could feel the ground sinking. He realized that the bone was a trap, and he tried desperately 阅读全文
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Frogs' NeighborhoodTime Limit:5000MSMemory Limit:10000KTotal Submissions:5524Accepted:2388Special JudgeDescription未名湖附近共有N个大小湖泊L1,L2, ...,Ln(其中包括未名湖)，每个湖泊Li里住着一只青蛙Fi(1 ≤i≤N)。如果湖泊Li和Lj之间有水路相连，则青蛙Fi和Fj互称为邻居。现在已知每只青蛙的邻居数目x1,x2, ...,xn，请你给出每两个湖泊之间的相连关系。Input第一行是测试数据的组数T(0 ≤T≤ 20)。每组数据包括两行，第一行是整数N(2 阅读全文