2022年2月16日
[zoj] 1002. Fire Net
摘要： 题目 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, each representing a street o 阅读全文
posted @ 2022-02-16 16:52 frankming 阅读(39) 评论(0) 推荐(0) 编辑