11 2021 档案

摘要：#include <iostream> #include <typeinfo> // definitation of Graph class Graph { public: void draw() { std::cout << "Graph::draw() : just as an interfac 阅读全文

摘要：#ifndef VECTOR_INT #define VECTOR_INT #include<iostream> #include<cassert> using namespace std; class Vector_int { public: Vector_int(int n); Vector_i 阅读全文

摘要：//info.hpp #include<iostream> #include<string> using namespace std; class info{ public: void enter(string a,string b,string c,int d):nickname(a),conta 阅读全文