2014年11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 @ 2014-11-16 16:13 wojiaohuangyu 阅读(10) 评论(0) 推荐(0)