原创 ZOJ 1002 Fire Net
Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns,
2020-02-22 12:17:55
2020-02-22 12:17:55
Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns,
2020-02-22 12:17:55