How to make tic tac toe using c language program?

how to make a tic tac toe using the c language program using two dimensional array?

How to make tic tac toe using c language program?
#include %26lt;iostream.h%26gt;


#include %26lt;stdlib.h%26gt;








void drawBoard(int board[][3]);


int getScore(int board[][3], int*, int*);


int gameover(int board[][3], int);





int main(int argc, char *argv[])


{


enum player { computer = 3, human = 2, tie = 1 };


int board[3][3] = { {0,0,0},{0,0,0},{0,0,0} };


int game = 0, turn = 0;





while (1)


{


int choice, row, column, howMany, newScore;


int biggestScore[9][3];


for(int i = 0; i %26lt; 9; i++) // Set biggestScore[9][3] to all zeros.


for (int j = 0; j %26lt; 3; j++)


biggestScore[i][j] = 0;





if(turn == 9) // No more sqares left


if(gameover(board, tie)) break;


else { game++; turn = 0; continue; }





else if((game + turn) % 2 == 0)


{


drawBoard(board);


cout %26lt;%26lt; "Select a square (1-9): ";


cin %26gt;%26gt; choice;


if(choice %26gt;= 1 %26amp;%26amp; choice %26lt;= 9)


{


// Change user input to row/column for use in 2D board array.


row = (int) (choice - 1) / 3;


column = (choice - 1) % 3;





// Check user's input


if(board[row][column]) { cout %26lt;%26lt; "Space taken, select again.\n"; continue; }


else { board[row][column] = human; turn++; }





if(getScore(board, %26amp;row, %26amp;column) %26gt; 50)


if(gameover(board, human)) break;


else { game++; turn = 0; continue; }


}


}


else


{


for(int x = 0; x %26lt; 3; x++)


for(int y = 0; y %26lt; 3; y++)


if(!board[x][y]) // Square is empty


{


newScore = getScore(board, %26amp;x, %26amp;y);


if(newScore %26gt; biggestScore[0][0])


howMany = 0;


if(newScore %26gt;= biggestScore[0][0])


{


biggestScore[howMany][0] = newScore;


biggestScore[howMany][1] = x;


biggestScore[howMany++][2] = y;


}


}


int random = rand() % howMany;


row = biggestScore[random][1];


column = biggestScore[random][2];


if(biggestScore[0][0] %26gt; 50)


{


board[row][column] = computer;


if(gameover(board, computer)) break;


else { game++; turn = 0; continue; }


}


else


{


board[row][column] = computer;


turn++;


}


} // End of if(choice %26gt; 0 ...





} // End of while(!quit) { ...


return 0;


} // End of main() { ...





void drawBoard(int board[][3])


{


char piece;


// Add a 'system("clear")' or 'system("cls")' if you want a clean screen


// I left this out becuase of portability between windows/unix.


// You may also create a simple for() loop that prints newlines for the same effect.


for (int i = 2; i %26gt; -1; i--)


{


for (int j = 0; j %26lt; 3; j++)


{


if(!board[i][j]) piece = (char) (i * 3 + j) + 49;


else if(board[i][j] == 2) piece = 'X';


else piece = 'O';





cout %26lt;%26lt; "| " %26lt;%26lt; piece %26lt;%26lt; " ";


}


cout %26lt;%26lt; "|\n";


}


} // End of drawBoard() ...





int getScore(int board[][3],int *x,int *y)


{


int score;


// The scores that a square will be given if the proper conditions are met:


// Modify these to see the results but remember that a score of over 50


// assumes a win; so be careful, or change that number in above code.


// Also remember that when the computer is getting these scores, it is


// assuming that it has not placed the piece yet on that square.


int scores[9] = {/*No Pieces on line*/ 0,


/*Undefined*/ 0,


/*One human piece*/ 4,


/*One computer piece*/ 3,


/*Two human pices*/ 8,


/*One of each*/ 2,


/*Two computer OR three human*/ 50,


/*Two human and one computer */ 1,


/*Two computer and one human */ 1 };


// Get horizontal score:


score = scores[(board[*x][0] + board[*x][1] + board[*x][2])];


// Get vertical score:


score += scores[(board[0][*y] + board[1][*y] + board[2][*y])];


// Get diagonal score (if possible)


if(*x == *y) // Check for '/' diagonal


score += scores[(board[0][0] + board[1][1] + board[2][2])];


if(*x + *y == 2) // Check for '\' diagonal


score += scores[(board[2][0] + board[1][1] + board[0][2])];





return score;


} // End of getScore() ...





int gameover(int board[][3], int player)


{


char again;


char name[3][9] = { "Computer", "Nobody", "You" };


drawBoard(board);


cout %26lt;%26lt; name[player % 3] %26lt;%26lt; " Won\nPlay again? (Y/N) ";


cin %26gt;%26gt; again;


if(again == 'Y' || again == 'y')


{


//Reset board


for (int i = 0; i %26lt; 3; i++)


for (int j = 0; j %26lt; 3; j++)


board[i][j] = 0;


return 0;


}


else


return 1;


}