摘要: There are n points on a horizontal line, labelled with 1 through n from left to right.有n个点在一条水平线上,从左到右以1到n... 阅读全文
posted @ 2019-04-22 08:40 完全墨染的樱花 阅读(229) 评论(0) 推荐(0)
摘要: Rectanglefrog has a piece of paper divided into n rows and m columns. Today, she would like to draw a rect... 阅读全文
posted @ 2019-04-22 00:00 完全墨染的樱花 阅读(227) 评论(0) 推荐(0)