2015年3月30日
摘要: Count and SayThe count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ...1is read off as"one 1"or11.11is r... 阅读全文
posted @ 2015-03-30 19:30 何氏小萌 阅读(136) 评论(0) 推荐(0)