2019年5月15日
CodeForces Round #557 Div.2
摘要： A. Zoning Restrictions Again You are planning to build housing on a street. There are nn spots available on the street on which you can build a house. 阅读全文
posted @ 2019-05-15 11:47 丧心病狂工科女 阅读(299) 评论(0) 推荐(0) 编辑