what is the mistake in my code?pls..anyone?

Question

#include <iostream>
using namespace std;
class cuboid{
public:
int length,width,height;
cuboid(int a,int b1,int c):length(a),width(b1),height(c){}
void display(){
cout<<length<<" "<<width<<" "<<height<<endl;
}
};
class cuboidVol:public cuboid{
int l,b,h;
void read_input()
{l=length;
b=width;
h=height;}
void display(){
cout<<l*b*h;
}
};

int main() {
int n,i,l1,b2,h1;cin>>n;
cuboid arr[n];
cout<<n<<endl;
cuboidVol cv;
cuboid *ptr=&cv;
for(i=0;i<n;i++){
cin>>l1>>b2>>h1;
arr[i](l1,b2,h1);
ptr->display();
cout<<endl;
}
return 0;
}

Answer 1

Make it on Sololearn Playground and here your Code because we can't recognise your problem without run the program

Answer 2

AJ#Level 20 End Day
I did it on playground,but I'm unable to figure out the error

Answer 3

Mahitha Reddy Maram Share your Code here. And use @ before name to tag someone

Answer 4

What is the error ?