Write a C++ program You will write a program to keep up with bids at an auction. You will have a class “Node” to store the bid amount. You will have a class “LinkedStack” to implement the stack as a linked list. I attached an input file to use as an example - auctions.txt Put your class definition in a header file and the implementation of the methods in a .cpp file. Your program will ask the user for a file name, open a file containing a string (the item being auctioned) followed by a series of integer bid amounts. You do not know how many bids there are so you must read until you reach the end of the file. Make sure you check to see if the file opened properly before you try to process it. Read each bid from the file. If a bid is larger than the last one, you will put it on the stack. Once all bids have been processed your program will display the item and the winning bid. There is no need for a user interface that does more than ask for the file name, displaying an appropriate message if the file does not exist, and displaying the item with winning bid. You will NEVER use break, exit, return, pass, continue or anything to leave a loop (or iteration), function, or other construct prematurely, unless it is part of the structure as in a case statement. You will NEVER have a function call itself, unless it is intentional recursion. You will NEVER use global variables. However, you may use global constants if it is appropriate and they are used properly. You will have only one return statement in a function. (Exception – Multiple return statements may be necessary in a recursive function.)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Write a C++ program

You will write a program to keep up with bids at an auction.

You will have a class “Node” to store the bid amount.
You will have a class “LinkedStack” to implement the stack as a linked list.

I attached an input file to use as an example - auctions.txt
Put your class definition in a header file and the implementation of the methods in a .cpp file.

Your program will ask the user for a file name, open a file containing a string (the item being auctioned) followed by a series of integer bid amounts. You do not know how many bids there are so you must read until you reach the end of the file. Make sure you check to see if the file opened properly before you try to process it.

Read each bid from the file. If a bid is larger than the last one, you will put it on the stack. Once all bids have been processed your program will display the item and the winning bid. There is no need for a user interface that does more than ask for the file name, displaying an appropriate message if the file does not exist, and displaying the item with winning bid.

You will NEVER use break, exit, return, pass, continue or anything to leave a loop (or iteration), function, or other construct prematurely, unless it is part of the structure as in a case statement.
You will NEVER have a function call itself, unless it is intentional recursion.
You will NEVER use global variables. However, you may use global constants if it is appropriate and they are used properly.
You will have only one return statement in a function. (Exception – Multiple return statements may be necessary in a recursive function.)

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the program give me a error

#include <iostream>
#include <string>
#include <fstream>
#include "LinkedStack.h"
using namespace std;
int main()
{
string filename, itemName;
int bid;
ifstream in;
LinkedStack stack;
// input the filename
cout<<"Enter the filename: ";
getline (cin, filename);
in.open(filename); // open file for reading
1/ 8 public void basic_fstream::open (const std::string& s, ios_base::openmode _mode= ios_base::in | ios_base::out)
// Jove error, desplay error message
if(in.fail())
cout << "File: " << filename << "not opened" << endl;
else
{
getline (in, itemName); // read the entire Line containing item name
// Loop till the end of file is reached
while (!in.eof())
in >> bid; // read a bid amount
// stack is empty or stack is not empty and bid is greater than top bid of stack, insert bid at top of stack
if(stack.isEmpty() || (!stack.is Empty() && stack.peek() < bid))
stack.push(bid);
}
in.close(); // close the file
if(!stack.isEmpty()) // stack is not empty, display the top bid
cout << "The winning bid for " << itemName << " is " << stack.peek() << endl;
else // stack is empty
cout << "No bid for << itemName << " was made" << endl;
}
return 0;
}

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