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Problem D: Base与Derived
Time Limit: 1 Sec
Memory Limit: 128 MB
Submit: 767
Solved: 657
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Description
定义Base和Derived类,Derived类是Base类的子类,两个类都只有1个int类型的属性。定义它们的构造函数和析构函数,输出信息如样例所示。
Input
输入2个整数。
Output
见样例。
Sample Input
100200
Sample Output
Base 100 is created.Base 100 is created.Derived 200 is created.Derived 200 is created.Base 100 is created.Base 100 is created.
HINT
Append Code
append.cc,
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#include <iostream>
#include <iomanip>
#include <cstring>
#include <cmath>
using namespace std;
class Base
{
private:
int bs;
public:
Base(int b = 0):bs(b) { cout << "Base " << bs << " is created." << endl; }
~Base() { cout << "Base " << bs << " is created." << endl;}
};
class Derived:public Base
{
private:
int de;
public:
Derived(int x, int y):Base(x),de(y) { cout << "Derived " << de << " is created." << endl; }
~Derived(){ cout << "Derived " << de << " is created." << endl; }
};
int main()
{
int a, b;
cin>>a>>b;
Base base(a);
Derived derived(a, b);
return 0;
}