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$//$

$//$ Week $9$: Travel Expenses

$//$ You work for a company that provides employees with a credit card for

$//$ business travel expenses. The company has set limits on expenses. If an

$//$ employee spends over those limits$,$ they must reimburse the company.

$//$ For this project will focus on just food expenses

$//($breakfast$,$ lunch, and dinner$).$

$//$

#include

#include

using namespace std;

$//$ Constants

$//$ Maximum daily breakfast amount.

const double MAX$\_$BREAKFAST $=9\mathrm{.}00$;

$//$ Maximum daily lunch amount.

const double MAX$\_$LUNCH $=12\mathrm{.}00$;

$//$ Maximum daily dinner amount.

const double MAX$\_$DINNER $=16\mathrm{.}00$;

$//$ Global variable to hold total expenses of employee

double totalExpenses $=0$;

$//$ Function prototypes

$//$ TODO: Add remaining function prototypes

void displayExpenseTotals$($double allowable$)$;

int daysSpent$()$;

void times$($double&$,$ double&$)$;

double getBreakfast$()$;

double getLunch$()$;

double getDinner$()$;

double excess$()$;

double total$()$;

double isValidTime$()$;

double meals$($int$,$ double, double$)$;

int main$()\{$

double allowable $=0$; $//$ Total allowable expenses

double time$1$; $//$ Departure time on first trip day

double time$2$; $//$ Arrival home time on last day of trip

int days; $//$ Number of days spent on the trip

$//$ Get the number of days for the trip.

$//$ TODO

days $=$ daysSpent$()$;

cout $<<$ "days entered: $"<<$ days $<<$ endl; $//$ for testing

$//$ Get the arrival and departure times.

$//($pass time$1$ and time$2$ by referece$)$

$//$ TODO

times$($time$1,$ time$2)$;

cout $<<$ "Departure time: $"<<$ time$1<<$ endl;

cout $<<$ "Arrival time: $"<<$ time$2<<$ endl;

$//$ Get allowable meal expenses.

$//($pass days, time$1,$ and time$2$ as value$)$

$//$ returns allowable expenses

$//$ TODO

allowable $=$ meals$($days$,$ time$1,$ time$2)$;

$//$ Display Totals $($pass allowable as value$).$

$//$ TODO

displayExpenseTotals$($allowable$)$;

return $0$;

$\}$

$//********************************************************$

$//$ The displayExpenseTotals function displays the total $*$

$//$ expenses incurred by the businessperson, the total $*$

$//$ allowable expenses for the trip, the excess that must $*$

$//$ be reimbursed by the businessperson, if any, and the $*$

$//$ amount saved by the businessperson if the expenses $*$

$//$ were under the total allowed. $*$

$//********************************************************$

$//$ TODO

$//********************************************************$

$//$ The daysSpent function asks for the number of days $*$

$//$ spent on the trip and returns the value as an integer. $*$

$//********************************************************$

$//$ TODO

int daysSpent$()\{$

int daysSpent;

cout $<<$ "How many days were you on this trip? $"<<$ endl;

cin $>>$ daysSpent;

cin.ignore$()$;

return daysSpent;

$\}$

bool isValidTime$($int hh$,$ int mm$)\{$

bool status $=$ true; $//$ Status flag, initialized to true

$//$ Determine if the time is invalid.

$//$ hh needs to be betwen $0$ and $23$ inclusive

$//$ mm needs to be between $0$ and $59$ inclusive

$//$ TODO

if $($hh $<=23$ && mm $<=59)\{$

status $=$ true;

$\}$ else $\{$

status $=$ false;

$\}$

return status;

$\}$

void times$($double& start, double& end$)\{$

int hh$,$ mm;

cout $<<$ "Enter the departure time $($HH MM$)$: $"<<$ endl;

cin $>>$ hh $>>$ mm;

while $(!$isValidTime$($hh$,$ mm$))\{$

cout $<<$ "Invalid number $(23$ is the max HH and $59$ is the max MM$)."<<$ endl;

cout $<<$ "Reenter the departure time $($HH MM$)$: $"<<$ endl;

cin $>>$ hh $>>$ mm;

$\}$

start $=$ hh $+($mm $/100\mathrm{.}0)$;

cout $<<$ "Enter the return time $($HH MM$)$: $"<<$ endl;

cin $>>$ hh $>>$ mm;

while $(!$isValidTime$($hh$,$ mm$))\{$

cout $<<$ "Invalid number $(23$ is the max HH and $59$ is the max MM$)."<<$ endl;

cout $<<$ "Reenter the return time $($HH MM$)$: $"<<$ endl;

cin $>>$ hh $>>$ mm;

$\}$

$\}$

double meals$($int days, double depart, double arrive$)\{$

double meals $=0$; $//$ To hold the total meal costs.

$//$ Handle special case of a one day trip.

$//$ Breakfast allowed if depart before $7$am and arrive $8$am or after

$//$ Lunch allowed if depart before $12$pm and arrive $1$pm or after

$//$ Dinner allowed if depart before $6$pm and arrive $7$pm or after

if $($days $==1)\{$

if $($depart $<7$ && arrive $>=8)\{$

if $($meals $+=$ getBreakfast$())\{$

totalExpenses $+=$ meals;

$\}$

$\}$

$//$ Get meal amounts allowed for the first day.

else $\{$

cout $<<$ "Day $1$:

$"$;

$\}$

if $($depart $<12$ && arrive $>=13)\{$

if $($meals $+=$ getLunch$())\{$

totalExpenses $+=$ meals;

$\}$ else $\{$

cout $<<$ "Day $1$:

$"$;

$\}$

$\}$

if $($depart $<18$ && arrive $>=19)\{$

if $($meals $+=$ getDinner$())\{$

totalExpenses $+=$ meals;

$\}$ else $\{$

cout $<<$ "day $1$:

$"$;

$\}$

$\}$

$\}$

while $($depart $>=$s $18)\{$

cout $<<"$No meals will be paid for if your departure is after $6$:$00$pm$"$;

$\}$

if $($depart $<=7)\{$

getBreakfast$()$;

$\}$

if $($depart $<=12)\{$

getLunc