大家帮忙修改程序的错误#include"iostream"using namespace std;const CN=35;const AN=20;class rectangle{public:rectangle(int ,int );int circumference();int area();virtual void display();protected:int len;int high;}rectangle::rectangle(int l,in
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大家帮忙修改程序的错误#include"iostream"using namespace std;const CN=35;const AN=20;class rectangle{public:rectangle(int ,int );int circumference();int area();virtual void display();protected:int len;int high;}rectangle::rectangle(int l,in
大家帮忙修改程序的错误
#include"iostream"
using namespace std;
const CN=35;
const AN=20;
class rectangle
{
public:
rectangle(int ,int );
int circumference();
int area();
virtual void display();
protected:
int len;
int high;
}
rectangle::rectangle(int l,int h)
{
len=l;
high=h;
}
int rectangle::circumference()
{
return (2*len+2*high);
}
int rectangle::area()
{
return (len*high);
}
void rectangle::display()
{
cout
大家帮忙修改程序的错误#include"iostream"using namespace std;const CN=35;const AN=20;class rectangle{public:rectangle(int ,int );int circumference();int area();virtual void display();protected:int len;int high;}rectangle::rectangle(int l,in
帮你改了一下下面注释的是有错的地方：
#include
using namespace std;
const int CN=35; //需要加上类型
const int AN=20; //同上
class rectangle
{
public:
rectangle();
rectangle(int,int);
int circumference();
int area();
virtual void display();
protected:
int len;
int high;
}; //分号掉了
rectangle::rectangle()
{len=0;
high=0;}
rectangle::rectangle(int l,int h)
{
len=l;
high=h;
}
int rectangle::circumference()
{
return (2*len+2*high);
}
int rectangle::area()
{
return (len*high);
}
void rectangle::display()
{
cout