assignment is on pdf

#include "Circle.h"
Circle::Circle()
{
}
Circle::Circle(double radius, string code)
{
    this->radius = radius;
    this->code = code;
}
Circle::Circle(const Circle& c )
{
    radius = c.radius;
    code = c.code;
}
Circle::Circle(double radius)
{
    this->radius = radius;
}
const string...