摘要：
Fire NetTime Limit : 2000/1000ms (Java/Other)Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 3Accepted Submission(s) : 1Font: Times New Roman | Verdana | GeorgiaFont Size: ← →Problem DescriptionSuppose that we have a square city with straight streets. A map of a city is a square board 阅读全文