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Example: Cashier Change

     

Introduction

This application shows how to assist the cashier of a store (super market, clothing store, hardware store, etc) figure out how much change to give to a customer after registering some items that have just been bought. The calculation produces the counts of dollar bills and coins in American currency.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Cashier_Change1
{
    public class Program
    {
        static int Main(string[] args)
        {
            // This variable is the value that will be considered
            string strAmount;
            // This is the actual monetary value that will be used
            double Amount    = 0.00;
            // This will be an accessory used during calculation
            double NewAmount = 0.00;
            int    Decimals  = 0;
            // These are the values that will be displayed
            int    Fifties   = 0;
            int    Twenties  = 0;
            int    Tens      = 0;
            int    Fives     = 0;
            int    Ones      = 0;
            int    Quarters  = 0;
            int    Dimes     = 0;
            int    Nickels   = 0;
            int    Pennies   = 0;

            try
            {
                Console.Write("Enter the amount: ");
                strAmount = Console.ReadLine();
                int IndexOfPeriod = strAmount.IndexOf(".");

                // This variable is used to locate the decimal side
                string strDecimals = strAmount.Substring(IndexOfPeriod+1, 2);
                Amount = double.Parse(strAmount);
                Decimals = int.Parse(strDecimals);

                if (Amount > 50)
                {
                    Fifties = (int)(Amount / 50);
                    NewAmount = Amount - 50;
                    Twenties = (int)(NewAmount / 20);
                    NewAmount -= (Twenties * 20);
                    Tens = (int)(NewAmount / 10);
                    NewAmount -= (Tens * 10);
                    Fives = (int)(NewAmount / 5);
                    NewAmount -= (Fives * 5);
                    Ones = (int)(NewAmount);
                }
                else
                {
                    NewAmount = Amount;
                    Twenties = (int)(NewAmount / 20);
                    NewAmount -= (Twenties * 20);
                    Tens = (int)(NewAmount / 10);
                    NewAmount -= (Tens * 10);
                    Fives = (int)(NewAmount / 5);
                    NewAmount -= (Fives * 5);
                    Ones = (int)(NewAmount);
                }

                Quarters = (int)(Decimals / 25);
                Decimals -= Quarters * 25;
                Dimes = (int)(Decimals / 10);
                Decimals -= Dimes * 10;
                Nickels = (int)(Decimals / 5);
                Decimals -= Nickels * 5;
                Pennies = Decimals;

                Console.WriteLine("=======================");
                Console.WriteLine("Amount Entered:   {0}", Amount);
                Console.WriteLine("-----------------------");
                if( Fifties != 0 )
                    Console.WriteLine("Fifties:          {0}", Fifties);
                if( Twenties != 0 )
                    Console.WriteLine("Twenties:         {0}", Twenties);
                if( Tens != 0 )
                    Console.WriteLine("Tens:             {0}", Tens);
                if( Fives != 0 )
                    Console.WriteLine("Fives:            {0}", Fives);
                if( Ones != 0 )
                    Console.WriteLine("Ones:             {0}", Ones);
                Console.WriteLine("-----------------------");
                if( Quarters != 0 )
                    Console.WriteLine("Quarters:         {0}", Quarters);
                if( Dimes != 0 )
                    Console.WriteLine("Dimes:            {0}", Dimes);
                if( Nickels != 0 )
                    Console.WriteLine("Nikels:           {0}", Nickels);
                if( Pennies != 0 )
                    Console.WriteLine("Pennies:          {0}", Pennies);
                Console.WriteLine("=======================");
            }
            catch (FormatException)
            {
                Console.WriteLine("Invlid Value!");
            }

            Console.WriteLine();
            return 0;
        }
    }
}

Here is an example or running the application:

Enter the amount: 4.06
=======================
Amount Entered:   4.06
-----------------------
Ones:             4
-----------------------
Nikels:           1
Pennies:          1
=======================

Press any key to continue . . .

Here is another example of running the application:

Enter the amount: 42.68
=======================
Amount Entered:   42.68
-----------------------
Twenties:         2
Ones:             2
-----------------------
Quarters:         2
Dimes:            1
Nikels:           1
Pennies:          3
=======================

Press any key to continue . . .

Here is another example of running the application:

Enter the amount: 88.68
=======================
Amount Entered:   88.68
-----------------------
Fifties:          1
Twenties:         1
Tens:             1
Fives:            1
Ones:             3
-----------------------
Quarters:         2
Dimes:            1
Nikels:           1
Pennies:          3
=======================

Press any key to continue . . .
 
 

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