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 from a reader, you are s…

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 from a reader, you are s…

题意 输入n本书的信息:id,书名,作者,关键字,出版社,出版年份.搜索图书,输出id. 思路 定义5个map<string, set<int> >,分别存放Title, Author, Word, Publishier, Year与id的映射关系,然后只需要考虑怎么输入就可以了.注意因为字符串和map的参数传递很慢,所以如果把查询写成函数,必须对参数进行引用,否则会导致运行超时. code: #include<bits/stdc++.h> using namespac…

[题目大意] 给出几本书的信息,包括编号,名字,出版社,作者,出版年份,关键字:然后给出几个请求,分别按照1->名字,2->出版社等对应信息查询符合要求的书的编号. [思路] 模拟. [坑] 1) 根据空格判断关键字key,遇到空格存下前一个key,则到最后一个key没有保存,退出while循环后要再存一次. 2) 漏根据id排序 3) Not Found 拼写错了... 4) 题目说年份在[1000, 3000],但是并不是这样的!输出年份一定要保留4位高位填充0补齐,否则测试点1过不了.这…

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 from a reader, you are s…

题目如下: 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 from a reader, you…

1022. Digital Library (30) 时间限制 1000 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years. Ea…

https://pintia.cn/problem-sets/994805342720868352/problems/994805480801550336 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 assigne…

1022 Digital Library (30)(30 分) 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 an…

problem 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 from a reader, y…