#include<iostream>
using namespace std;
class rectangle
{
private:
int length;
int breadth;
public:
void setlength(int l)
{
if(l>=0)
{
length=l;
}
else
{
length=0;
}
}
void setbreadth(int b)
{
if(b>=0)
{
breadth=b;
}
else
{
breadth=0;
}
}
int getlength()
{
return length;
}
int getbreadth()
{
return breadth;
}
int area()
{
return length*breadth;
}
int perimeter()
{
return 2*(length+breadth);
}
};
int main()
{
rectangle r1,r2;
r1.setlength(20);
r1.setbreadth(30);
cout<<"The area r1 is :"<<r1.area()<<endl;
cout<<"The perimeter r1 is:"<<r1.perimeter()<<endl;
cout<<"------------------------------------------------"<<endl;
r2.setlength(50);
r2.setbreadth(80);
cout<<"The area r2 is:"<<r2.area()<<endl;
cout<<"The perimeter r2 is:"<<r2.perimeter()<<endl;
}
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