#include<iostream>
using namespace std;
class Room
{
private :
int length;
int breath;
public :
Room(int a,int b)
{
length=a;
breath = b;
}
Room()
{
length=0;
breath=0;
}
void set_Length(int len)
{
length =len;
}
void set_breath(int bre)
{
breath = bre;
}
int calculate_Area()
{
int a = length*breath;
return a;
}
};
int main()
{
Room r2(34,12);
Room r();
cout<<r.calculate_Area();
cout<<r2.calculate_Area();
}
when i run that progran i got this error
main.cpp: In function ‘int main()’:
main.cpp:38:13: error: request for member ‘calculate_Area’ in ‘r’, which is of non-class type ‘Room()’
38 | cout<<r.calculate_Area();
| ^~~~~~~~~~~~~~
i do not know why i got this error can any one help me