摘要: Tri TilingTime Limit:1000MSMemory Limit:65536KTotal Submissions:7841Accepted:4113DescriptionIn how many ways can you tile a 3xn rectangle with 2x1 dom... 阅读全文
posted @ 2014-09-19 19:02 雪溯 阅读(255) 评论(0) 推荐(0) 编辑