摘要：
1 // 320.cpp : Defines the entry point for the console application. 2 // 3 4 #include "stdafx.h" 5 #include <iostream> 6 #include <string> 7 #include <fstream> 8 using namespace std; 9 istream& get(istream& in);10 11 ifstream& open_file(ifstream& ifile,str 阅读全文