2016年4月16日
hdu 1312 Red and Black
摘要： Problem Description There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a black til 阅读全文
posted @ 2016-04-16 21:04 俺叫王梦涵 阅读(140) 评论(0) 推荐(0) 编辑