2020年3月1日
Pipes
摘要： You are given a system of pipes. It consists of two rows, each row consists of nn pipes. The top left pipe has the coordinates (1,1)(1,1) and the bott 阅读全文
posted @ 2020-03-01 17:27 DeaL57 阅读(339) 评论(0) 推荐(0)
Three displays
摘要： It is the middle of 2018 and Maria Stepanovna, who lives outside Krasnokamensk (a town in Zabaikalsky region), wants to rent three displays to highlig 阅读全文
posted @ 2020-03-01 17:04 DeaL57 阅读(172) 评论(0) 推荐(0)