摘要: The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ... 1 is read off as "one 1" or 11.11 is read off... 阅读全文
posted @ 2015-12-18 21:38 0giant 阅读(175) 评论(0) 推荐(0) 编辑