一个海量图书查询系统，程序可以模拟图书馆书库，随机生成100万条图书记录并形成索引表和哈希表，实现图书查找功能。同时计算执行效率。-Inquiry System of a mass of books, the program can simulate the library stacks, randomly generated one million books and records of the formation of the index table and hash table, the achievement of the book to find function. At the same time, the implementation of the efficiency of the calculation.