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题解 | #多态实现计算器功能#

#include <iostream> using namespace std; class BaseCalculator { public: int m_A; int m_B; // write your code here.....

2022-04-16

0 366

题解 | #重载小于号#

#include <iostream> using namespace std; class Time { public: int hours; // 小时 int minutes; // 分钟 Time() ...

2022-04-16

3 423

题解 | #加号运算符重载#

#include <iostream> using namespace std; class Time { public: int hours; // 小时 int minutes; // 分钟 Time() ...

2022-04-16

0 344

题解 | #求长方体表面积#

#include<bits/stdc++.h> using namespace std; class rectangle{ private: int length,width; public: rectangle(int x,int y){ length=x; w...

2022-04-13

0 302

题解 | #子类中调用父类构造#

#include <iostream> using namespace std; class Base { private: int x; int y; public: Base(int x, int y) { ...

2022-04-10

0 365

题解 | #迭代器遍历set#

#include<bits/stdc++.h> using namespace std; int main(){ set<int>s; // write your code here...... for(int i=0;i<5;i++) { ...

2022-04-06

0 334

题解 | #迭代器遍历容器#

#include <iostream> // write your code here...... #include<vector> using namespace std; int main() { // write your code here...... ...

2022-04-06

0 289

题解 | #友元类#

#include<bits/stdc++.h> using namespace std; class phone{ // write your code here...... friend class myphone;//声明为友元类 private: int price; ...

2022-04-06

0 301

题解 | #确定哪些订单购买了 prod_id 为 BR01 的产品（一）#

select cust_id,order_date from Orders where order_num in( select order_num from OrderItems where prod_id='BR01' ) order by order_date asc;

2022-04-03

0 318

题解 | #数组类的拷贝构造函数#

#include<bits/stdc++.h> using namespace std; class Array{ private: int n;//数组大小 int *a;//数组 public: Array(){ cin>>n; a=new...

2022-04-02

3 411