can you add these functions $1.$ Give the user a certain amount of seconds to guess the number.

$2.$ Post an "ERROR MESSAGE" if the user enter characters instead of values. to the following code #include

#include

#include

#include

using namespace std;

int main$()$

$\{$

$//$ Seed the random number generator

srand$($static$\_$cast$($time$(0)))$;

$//$ Generate a random number between $0$ and $20$

int randomNumber $=$ rand$()\%21$; $//0$ to $20$

int userGuess;

int attempts;

$//$ Ask the user how many attempts they want $(5$ or $10)$

cout $<<$ "Welcome to the Guessing Game!" $<<$ endl;

cout $<<$ "How many attempts would you like? $(5$ or $10)$: $"$;

cin $>>$ attempts;

$//$ Validate the number of attempts

while $($attempts $!=5$ && attempts $!=10)\{$

cout $<<$ "Invalid input. Please enter either $5$ or $10$: $"$;

cin $>>$ attempts;

$\}$

$//$ Start the guessing loop

for $($int i $=0$; i $<$ attempts; i$++)\{$

cout $<<$ "Attempt $"<<($i $+1)<<"$: Enter your guess $(0$ to $20)$: $"$;

$//$ Check for valid input

if $(!($cin $>>$ userGuess$))\{$

cout $<<$ "ERROR MESSAGE: Please enter a valid number." $<<$ endl;

cin.clear$()$; $//$ Clear the error flag

cin.ignore$($numeric$\_$limits::max$(),\text{'}$

$\text{'})$; $//$ Discard invalid input

i$--$; $//$ Do not count this as an attempt

continue; $//$ Skip to the next iteration

$\}$

$//$ Check if the guess is correct

if $($userGuess $==$ randomNumber$)\{$

cout $<<$ "Congratulations! You've guessed the correct number: $"<<$ randomNumber $<<$ endl;

break; $//$ Exit the loop if the guess is correct

$\}$ else $\{$

cout $<<$ "Wrong guess. Try again!" $<<$ endl;

$\}$

$//$ If the user has exhausted all attempts

if $($i $==$ attempts $-1)\{$

cout $<<$ "You Lose! The lucky number was: $"<<$ randomNumber $<<".$ Better luck next time!" $<<$ endl;

$\}$

$\}$

return $0$;

$\}$