---------------lib.h--------------------
#ifndef lib_h
#define lib_h
#include "product.h"

class function
{
public:
	unsigned int GetPrice();
	void Sort(int count2);
	void SetToZero(int selection, int count2);
	unsigned int FindLowest(int count2);
};
#endif
			---------------product.h----------------
#ifndef PRODUCT_H
#define PRODUCT_H
class product1
{
	public:
	int id;
	unsigned int price;
}productss[10];
#endif
			-------------lib.cpp--------------------
#include "product.h"
#include "lib.h"
#include <iostream>
using namespace std;
#pragma once
unsigned int function::GetPrice()
{
	int productchoice=0;


	int tempvaule=0;
	cout << "Please enter in a ID" << endl;
	cin >> productchoice;
	cout << "your price for that item is" << endl;
	cin >> productss[productchoice].price;
	tempvaule=productss[productchoice].price;
    return tempvaule;
}

void function::Sort(int count2)
{
	int i,j;
    for(i=0;i<count2;i++)
    {
        for(j=0;j<i;j++)
        {
			if(productss[i].id<productss[j].id)
            {

                int temp=productss[i].id;
				int temp1=productss[i].price;
				productss[i].id=productss[j].id;
				productss[i].price=productss[j].price;
                productss[j].id=temp;
				productss[j].price=temp1;

			 }
        }
    }
}
void function::SetToZero(int selection,int count2)
{
	productss[selection].id=0;
	productss[selection].price=0;
	int i = selection;
	int j = i;
		while (i<count2)
		{
			if (productss[i].id == 0)
				{
					j++;
				int temp = productss[j].id;
				int temp1 = productss[j].price;
				productss[i].id = temp;
				productss[i].price = temp1;
				}
			i++;
		}
}
unsigned int function::FindLowest(int count2)
{
	int i;
	unsigned int tempprice=100;
	for(i=0;i<count2;i++)
	{
		if(productss[i].price<tempprice)
		{
			tempprice=productss[i].price;
		}
	}
	return tempprice;
}

			-------------practical.cpp------------
#include "product.h"
#include "lib.h"
#include <iostream>
using namespace std;

int main ()
{
	function fun;
	int selection = 0;
	int productnumber=0;
	int count2 =0;

	do{

		cout << endl;
		cout << "Enter a menu aoption" << endl;
		cout << "1 = Add new item" << endl;
		cout << "2 = Print items" << endl;
		cout << "3 = Find a price" << endl;
		cout << "4 = Sort by ID" << endl;
		cout << "5 = Delete by ID" << endl;
		cout << "6 = Find the Lowest Price" << endl;
		cout << "7 = Exit" << endl << endl;;

		cin >> selection;

		if(selection==1)
		{
			cout << "Enter the the new ID" << endl;
			cin >> productss[count2].id;
			cout << "Enter the the new price" << endl;
			cin >> productss[count2].price;
			count2++;


		}
		else if(selection==2)
		{
			int count =0;
			cout <<"ID PRICE";
			cout <<"" << endl;
			while(count<count2)
			{
				cout <<productss[count].id;
				cout <<" ";
				cout <<productss[count].price << endl;
				count++;
			}
		}
		else if(selection==3)
		{
			int pricematch = fun.GetPrice();
		}
		else if(selection==4)
		{
			cout <<"Sorting by ID" << endl;
			fun.Sort(count2);

			cout <<"Sorted!" << endl;
		}
		else if(selection==5)
		{
			int selection=0;
			cout <<"Please select an Id to delete" << endl;
			cin >> selection;
			fun.SetToZero(selection,count2);
		}
		else if(selection==6)
		{
			unsigned int lowestprice = fun.FindLowest(count2);
			cout << "lowest price is";
			cout << lowestprice;
		}
	}
	while(selection!=7);
	return 0;
}