2015年12月1日
spin_USACO
摘要： Spinning Wheels1998 ACM NE RegionalsEach of five opaque spinning wheels has one or more wedges cut out of its edges. These wedges must be aligned quic... 阅读全文
posted @ 2015-12-01 15:41 LinKArftc 阅读(199) 评论(0) 推荐(0)