4058| 3
|
C++的类来求面积! |
10鱼币
最佳答案#include
using namespace std;
class Base
{
public:
virtual double mianji() const
{
return 0;
}
};
class Sanjiaoxing:public Base
{
public:
double bian,gao;
Sanjiaoxing(double a=0,double b=0)
{
bian=a;
gao=b;
}
virtual double mianji() const
{
return bian*gao/2;
}
};
class Zhengfangxing:public Base
{
...
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