本文件包含两个功能相同的cpp文件，分别采用了map和priority queue两种不同的数据结构来完成显示双单词在字典动态变化的过程的功能。对于掌握数据结构有一定意义。-This file contains two cpp files with same function, but they use different data structures which are map and priority queue. The function of this file is to trace