#include

#include

#include

#include $//$ Include for std::numeric$\_$limits

$//$ Function for the random walk

int randWalk$($int oldValue, int updateSize$)\{$

int randomChange $=($std::rand$()\%($updateSize $*2+1))-$ updateSize;

int newValue $=$ oldValue $+$ randomChange;

if $($newValue $>255)\{$

newValue $=255$;

$\}$

else if $($newValue $<0)\{$

newValue $=0$;

$\}$

return newValue;

$\}$

int main$()\{$

std::srand$($std::time$($nullptr$))$; $//$ Seed the random number generator

int initialValue, iterations, updateSize;

$//$ Get user input for initial value with validation

while $($true$)\{$

std::cout $<<$ "Please enter an initial integer value in the range $[0,255]$: $"$;

std::cin $>>$ initialValue;

if $($std::cin.fail$()||$ initialValue $<0||$ initialValue $>255)\{$

std::cin.clear$()$; $//$ Clear error flags

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

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

std::cout $<<$ "Value must be between $0$ and $255.$ Please enter an initial value in the range $[0,255]$: $"<<$ std::endl;

$\}$

else $\{$

break; $//$ Valid input received, exit loop

$\}$

$\}$

$//$ Get user input for number of iterations

std::cout $<<$ "Please enter the desired number of iterations: $"$;

std::cin $>>$ iterations;

$//$ Get user input for the update size

std::cout $<<$ "Please enter the size of each possible update for each iteration: $"$;

std::cin $>>$ updateSize;

$//$ Perform the random walk with updated output formatting

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

initialValue $=$ randWalk$($initialValue$,$ updateSize$)$;

std::cout $<<$ "Value at iteration # $"<<($i $+1)<<"$ is: $"<<$ initialValue $<<$ std::endl;

$\}$

return $0$;

$\}$

$----------------------$

HW$3$B $-$ Compilation Test $(0/0)$

COMPILATION SUCCESSFUL!!

HW$3$B $-$ Testcase $-1(0/0)$

Initial Vaue: $255$

No$.$ of Iterations: $10$

Update Size: $\backslash$pm $10$

Your Output

Please enter an initial integer value in the range $[0,255]$: Please enter the desired number of iterations: Please enter the size of each possible update for each iteration: Value at iteration # $1$ is: $255$

Value at iteration # $2$ is: $255$

Value at iteration # $3$ is: $245$

Value at iteration # $4$ is: $246$

Value at iteration # $5$ is: $245$

Value at iteration # $6$ is: $254$

Value at iteration # $7$ is: $252$

Value at iteration # $8$ is: $249$

Value at iteration # $9$ is: $243$

Value at iteration # $10$ is: $233$

Program Exit Succesfully!!

HW$3$B $-$ Testcase $-2(0/0)$

Initial Vaue: $0$

No$.$ of Iterations: $20$

Update Size: $\backslash$pm $2$

Your Output

Please enter an initial integer value in the range $[0,255]$: Please enter the desired number of iterations: Please enter the size of each possible update for each iteration: Value at iteration # $1$ is: $0$

Value at iteration # $2$ is: $0$

Value at iteration # $3$ is: $0$

Value at iteration # $4$ is: $0$

Value at iteration # $5$ is: $0$

Value at iteration # $6$ is: $0$

Value at iteration # $7$ is: $0$

Value at iteration # $8$ is: $0$

Value at iteration # $9$ is: $2$

Value at iteration # $10$ is: $3$

Value at iteration # $11$ is: $2$

Value at iteration # $12$ is: $1$

Value at iteration # $13$ is: $3$

Value at iteration # $14$ is: $2$

Value at iteration # $15$ is: $1$

Value at iteration # $16$ is: $2$

Value at iteration # $17$ is: $0$

Value at iteration # $18$ is: $1$

Value at iteration # $19$ is: $0$

Value at iteration # $20$ is: $0$

Program Exit Succesfully!!

HW$3$B $-$ Invalid Input $(0/2)$

Input Sequence: $260,256,-9$

$-$ Please enter an initial integer value in the range $[0,255]$: Value must be between $0$ and $255.$ Please enter an initial value in the range $[0,255]$:

$+$ Please enter an initial integer value in the range $[0,255]$: Value must be between $0$ and $255.$ Please enter an initial value in the range $[0,255]$: Value must be between $0$ and $255.$ Please enter an initial value in the range $[0,255]$: Value must be between $0$ and $255.$ Please enter an initial value in the range $[0,255]$: Please enter the desired number of iterations: Please enter the size of each possible update for each iteration:

FAILED!!

Test Failed: False is not true :

HW$3$B $-$ I$/$O Formatting $(2/2)$

Initial Vaue: $200$

No$.$ of Iterations: $10$

Update Size: $0$

Please enter an initial integer value in the range $[0,255]$: Please enter the desired number of iterations: Please enter the size of each possible update for each iteration: Value at iteration # $1$ is: $200$

Value at iteration # $2$ is: $200$

Value at iteration # $3$ is: $200$

Value at iteration # $4$ is: $200$

Value at iteration # $5$ is: $200$

Value at iteration # $6$ is: $200$

Value at iteration # $7$ is: $200$

Value at iteration # $8$ is: $200$

Value at iteration # $9$ is: $200$

Value at iteration # $10$ is: $200$

PASSED!!