// DO NOT INCLUDE ANY OTHER LIBRARIES/FILES
#include "pointer.h"

// In this assignment, you can assume that function parameters are
// valid and the memory is managed by the caller

// Compares the price of obj1 with obj2
// Returns a negative number if the price of obj1 is less than the price of obj2
// Returns a positive number if the price of obj1 is greater than the price of obj2
// Returns 0 if the price of obj1 is equal to the price of obj2

int compare_by_price(Object* obj1, Object* obj2) {
// IMPLEMENT THIS
double price1 = object_price(obj1);
double price2 = object_price(obj2);
if (price1 < price2) {
   return -1;
}
if (price1 > price2) {
   return 1;
}
return 0;
}

// Compares the quantity of obj1 with obj2
// Returns a negative number if the quantity of obj1 is less than the quantity of obj2
// Returns a positive number if the quantity of obj1 is greater than the quantity of obj2
// Returns 0 if the quantity of obj1 is equal to the quantity of obj2

int compare_by_quantity(Object* obj1, Object* obj2) {
// IMPLEMENT THIS
unsigned int quantity1 = object_quantity(obj1);
unsigned int quantity2 = object_quantity(obj2);
if (quantity1 < quantity2) {
   return -1;
}
if (quantity1 > quantity2) {
   return 1;
}
return 0;
}

// Initializes a StaticPriceObject with the given quantity, name, and price
// Memory for the name string is managed by the caller
// and assumed to be valid for the duration of the object's lifespan

void static_price_object_construct(StaticPriceObject* obj,
   unsigned int quantity, const char* name, double price) {
// IMPLEMENT THIS
obj->price = price;
obj->obj.name = name;
obj->obj.quantity = quantity;
obj->obj.virtual_func_table.bulk_price = (double (*)(void *, unsigned int))static_bulk_price;
obj->obj.virtual_func_table.price = (double (*)(void *))static_price;
}

// Initializes a DynamicPriceObject with the given quantity, name, base price, and price scaling factor
// Memory for the name string is managed by the caller and assumed to be valid for the duration of the object's lifespan

void dynamic_price_object_construct(DynamicPriceObject* obj,
   unsigned int quantity, const char* name,
   double base, double factor) {
// IMPLEMENT THIS
obj->base = base;
obj->factor = factor;
obj->obj.name = name;
obj->obj.quantity = quantity;
obj->obj.virtual_func_table.bulk_price = (double (*)(void *, unsigned int))dynamic_bulk_price;
obj->obj.virtual_func_table.price = (double (*)(void *))dynamic_price;
}

[P1] Write a program as below: 1. Create an array data as shown Ta...