2018年11月6日
Red and Black POJ - 1979
摘要： Red and Black POJ - 1979There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man i... 阅读全文
posted @ 2018-11-06 16:00 Janspiry 阅读(104) 评论(0) 推荐(0) 编辑