#include

#include

#include

#include

#include

using namespace std;

vector$>$ board $=\{\{0,0,0\},\{0,0,0\},\{0,0,0\}\}$;

unordered$\_$set usedNumbers;

void displayBoard$()\{$

for $($const auto& row: board$)\{$

for $($int value: row$)\{$

cout $<<$ value $<<""$;

$\}$

cout $<<$ endl;

$\}$

$\}$

bool checkWin$()\{$

$//$ Check rows and columns

for $($int i $=0$; i $<3$; $++$i$)\{$

int rowSum $=0$;

int colSum $=0$;

for $($int j $=0$; j $<3$; $++$j$)\{$

rowSum $+=$ board$[$i$][$j$]$;

colSum $+=$ board$[$j$][$i$]$;

$\}$

if $($rowSum $==15||$ colSum $==15)$ return true;

$\}$

$//$ Check diagonals

int diag$1=$ board$[0][0]+$ board$[1][1]+$ board$[2][2]$;

int diag$2=$ board$[0][2]+$ board$[1][1]+$ board$[2][0]$;

if $($diag$1==15||$ diag$2==15)$ return true;

return false;

$\}$

bool boardFull$()\{$

for $($const auto& row: board$)\{$

for $($int value: row$)\{$

if $($value $==0)$ return false;

$\}$

$\}$

return true;

$\}$

bool userMove$($bool playEven$)\{$

char rowLetter;

int value;

bool validInput $=$ false;

while $(!$validInput$)\{$

cout $<<$ "Your turn $($Enter the position $($a$-$i$)$ and value$)$: $"$;

cin $>>$ rowLetter $>>$ value;

if $($usedNumbers$.$count$($value$)>0||$ rowLetter $<\text{'}$a$\text{'}||$ rowLetter $>\text{'}$i$\text{'}||$ value $<1||$ value $>9||($playEven && value $\%2==0)||(!$playEven && value $\%2!=0))\{$

cout $<<$ "Invalid move. Please try again." $<<$ endl;

$\}$ else $\{$

int row $=($rowLetter $-\text{'}$a$\text{'})/3$;

int col $=($rowLetter $-\text{'}$a$\text{'})\%3$;

if $($board$[$row$][$col$]!=0)\{$

cout $<<$ "Spot already occupied. Please try again." $<<$ endl;

$\}$ else $\{$

board$[$row$][$col$]=$ value;

usedNumbers.insert$($value$)$;

validInput $=$ true;

$\}$

$\}$

$\}$

return checkWin$()$;

$\}$

void computerMove$($bool playEven$)\{$

int bestScore $=-1000$;

int bestMoveRow $=-1$;

int bestMoveCol $=-1$;

for $($int i $=0$; i $<3$; $++$i$)\{$

for $($int j $=0$; j $<3$; $++$j$)\{$

if $($board$[$i$][$j$]==0)\{$

board$[$i$][$j$]=$ playEven $?1$ : $2$; $//$ Assuming even numbers represent user and odd numbers represent computer

int score $=$ minimax$($false$)$;

board$[$i$][$j$]=0$;

if $($score $>$ bestScore$)\{$

bestScore $=$ score;

bestMoveRow $=$ i;

bestMoveCol $=$ j;

$\}$

$\}$

$\}$

$\}$

board$[$bestMoveRow$][$bestMoveCol$]=$ playEven $?1$ : $2$;

usedNumbers.insert$($bestMoveRow $*3+$ bestMoveCol $+1)$;

$\}$

int evaluate$()\{$

if $($checkWin$())\{$

return boardFull$()?0$ : $1$;

$\}$

return $-1$;

$\}$

int minimax$($bool maximizingPlayer$)\{$

int score $=$ evaluate$()$;

if $($score $!=-1)$ return score;

if $($maximizingPlayer$)\{$

int bestScore $=-1000$;

for $($int i $=0$; i $<3$; $++$i$)\{$

for $($int j $=0$; j $<3$; $++$j$)\{$

if $($board$[$i$][$j$]==0)\{$

board$[$i$][$j$]=2$; $//$ Computer's move

int currentScore $=$ minimax$($false$)$;

board$[$i$][$j$]=0$;

bestScore $=$ max$($bestScore$,$ currentScore$)$;

$\}$

$\}$

$\}$

return bestScore;

$\}$ else $\{$

int bestScore $=1000$;

for $($int i $=0$; i $<3$; $++$i$)\{$

for $($int j $=0$; j $<3$; $++$j$)\{$

if $($board$[$i$][$j$]==0)\{$

board$[$i$][$j$]=1$; $//$ User's move

int currentScore $=$ minimax$($true$)$;

board$[$i$][$j$]=0$;

bestScore $=$ min$($bestScore$,$ currentScore$)$;

$\}$

$\}$

$\}$

return bestScore;

$\}$

$\}$

int main$()\{$

srand$($time$(0))$;

cout $<<$ "Welcome to the Sum$-$Up$-15$ Game!" $<<$ endl;

char playerChoice;

cout $<<"$Do you want to play with even numbers? $($y$/$n$)$: $"$;

cin $>>$ playerChoice;

bool playEven $=($playerChoice $==\text{'}$y$\text{'}||$ playerChoice $==\text{'}$Y$\text{'})$;

bool userTurn $=$ true;

while $($true$)\{$

$//$ Player's turn

if $($userTurn$)\{$

displayBoard$()$;

if $($userMove$(!$playEven$))\{$

cout $<<$ "Congratulations! You win!" $<<$ endl;

break;

$\}$

$\}$ else $\{$

$//$ Computer's turn

computerMove$(!$playEven$)$;

displayBoard$()$;

if $($checkWin$())\{$

cout $<<$ "Computer wins! Better luck next time." $<<$ endl;

break;

$\}$

$\}$

if $($boardFull$())\{$

cout $<<$ "It's a draw!" $<<$ endl;

break;

$\}$

userTurn $=!$userTurn;

$\}$

displayBoard$()$;

Welcome to the Sum$-$Up$-15$ Game!

Do you want to play with even numbers? $($y$/$n$)$: y

$000$

$000$

$000$

Your turn $($Enter the position $($a$-$i$)$ and value$)$: a$6$

Process finished with exit code $139($interrupted by signal $11$: SIGSEGV$)$

when i run this code i get that outcome, where when i type anything it just stops the code and says exit code $139.$ could you fix it please