浙大 编程能力测试 的甲级题目 第1022 数字图书馆问题

http://www.patest.cn/contests/pat-a-practise/10-http://www.patest.cn/contests/pat-a-practise/1022



A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years. Each book is assigned an unique 7-digit number as its ID. Given any query　a reader, you are supposed to output the resulting books, sorted in increasing order of their ID s.