摘要：
LabyrinthMy Tags(Edit)Source:ACM ICPC Central European Regional 1999Time limit: 5 secMemory limit: 32 MSubmitted: 797,Accepted: 337The northern part of the Pyramid contains a very large and complicated labyrinth. The labyrinth is divided into square blocks, each of them either filled by rock, or fre 阅读全文
