#include #include #include using namespace std; void display(int[]); bool gameoverx(int[]); void ai(int[]); bool gameovero(int[]); int main() { int i, j; int nums[] = { -1, -1, -1, -1, -1, -1, -1, -1, -1 }; cout << "Welcome to Tic Tac Toe!" << endl; display(nums); for (j = 0; j < 5; j++) { //enter x do { cout << "Please enter an X in an unplayed position." << endl; cin >> i; //1-9 if (nums[i - 1] != -1) cout << "Invalid Space! Space already taken." << endl; else break; } while (true); nums[i - 1] = 1; display(nums); //display if (gameoverx(nums)) //check to see if game is over break; cout << "The computer's move is..." << endl; system("pause"); ai(nums); //enter O display(nums); if (gameovero(nums)) //check to see if game is over break; } if (j = 5) { cout << "It's a tie!!" << endl; } cout << "Thank You for playing!!!" << endl; system("pause"); } void display(int n[]) { int count = 0; int r, c; for (r = 0; r < 3; r++) { for (c = 0; c < 3; c++) { if (n[count] == -1) cout << setw(2) << count + 1 << " |"; else if (n[count] == 1) cout << setw(2) << " X |"; else if (n[count] == 0) cout << setw(2) << " O |"; count++; } cout << endl; } } bool gameoverx(int n[]) { if (n[0] == 1 && n[1] == 1 && n[2] == 1) { cout << "Game Over! X is the Winner!!!" << endl; return true; } else if (n[3] == 1 && n[4] == 1 && n[5] == 1) { cout << "Game Over! X is the Winner!!!" << endl; return true; } else if (n[6] == 1 && n[7] == 1 && n[8] == 1) { cout << "Game Over! X is the Winner!!!" << endl; return true; } else if (n[0] == 1 && n[3] == 1 && n[6] == 1) { cout << "Game Over! X is the Winner!!!" << endl; return true; } else if (n[1] == 1 && n[4] == 1 && n[7] == 1) { cout << "Game Over! X is the Winner!!!" << endl; return true; } else if (n[2] == 1 && n[5] == 1 && n[8] == 1) { cout << "Game Over! X is the Winner!!!" << endl; return true; } else if (n[0] == 1 && n[4] == 1 && n[8] == 1) { cout << "Game Over! X is the Winner!!!" << endl; return true; } else if (n[2] == 1 && n[4] == 1 && n[6] == 1) { cout << "Game Over! X is the Winner!!!" << endl; return true; } else return false; } void ai(int n[]) { if (n[1] == 0 && n[2] == 0 && n[0] == -1) //try to win { n[0] = 0; } else if (n[0] == 0 && n[2] == 0 && n[1] == -1) { n[1] = 0; } else if (n[0] == 0 && n[1] == 0 && n[2] == -1) { n[2] = 0; } else if (n[4] == 0 && n[5] == 0 && n[3] == -1) { n[3] = 0; } else if (n[3] == 0 && n[5] == 0 && n[4] == -1) { n[4] = 0; } else if (n[3] == 0 && n[4] == 0 && n[5] == -1) { n[5] = 0; } else if (n[7] == 0 && n[8] == 0 && n[6] == -1) { n[6] = 0; } else if (n[6] == 0 && n[8] == 0 && n[7] == -1) { n[7] = 0; } else if (n[6] == 0 && n[7] == 0 && n[8] == -1) { n[8] = 0; } else if (n[3] == 0 && n[6] == 0 && n[0] == -1) { n[0] = 0; } else if (n[0] == 0 && n[6] == 0 && n[3] == -1) { n[3] = 0; } else if (n[0] == 0 && n[3] == 0 && n[6] == -1) { n[6] = 0; } else if (n[4] == 0 && n[7] == 0 && n[1] == -1) { n[1] = 0; } else if (n[1] == 0 && n[7] == 0 && n[4] == -1) { n[4] = 0; } else if (n[1] == 0 && n[4] == 0 && n[7] == -1) { n[7] = 0; } else if (n[5] == 0 && n[8] == 0 && n[2] == -1) { n[2] = 0; } else if (n[2] == 0 && n[8] == 0 && n[5] == -1) { n[5] = 0; } else if (n[2] == 0 && n[5] == 0 && n[8] == -1) { n[8] = 0; } else if (n[4] == 0 && n[2] == 0 && n[6] == -1) { n[6] = 0; } else if (n[6] == 0 && n[2] == 0 && n[4] == -1) { n[4] = 0; } else if (n[6] == 0 && n[4] == 0 && n[2] == -1) { n[2] = 0; } else if (n[4] == 0 && n[8] == 0 && n[0] == -1) { n[0] = 0; } else if (n[0] == 0 && n[8] == 0 && n[4] == -1) { n[4] = 0; } else if (n[0] == 0 && n[4] == 0 && n[8] == -1) { n[8] = 0; } else if (n[1] == 1 && n[2] == 1 && n[0] == -1) //block X { n[0] = 0; } else if (n[0] == 1 && n[2] == 1 && n[1] == -1) { n[1] = 0; } else if (n[0] == 1 && n[1] == 1 && n[2] == -1) { n[2] = 0; } else if (n[4] == 1 && n[5] == 1 && n[3] == -1) { n[3] = 0; } else if (n[3] == 1 && n[5] == 1 && n[4] == -1) { n[4] = 0; } else if (n[3] == 1 && n[4] == 1 && n[5] == -1) { n[5] = 0; } else if (n[7] == 1 && n[8] == 1 && n[6] == -1) { n[6] = 0; } else if (n[6] == 1 && n[8] == 1 && n[7] == -1) { n[7] = 0; } else if (n[6] == 1 && n[7] == 1 && n[8] == -1) { n[8] = 0; } else if (n[3] == 1 && n[6] == 1 && n[0] == -1) { n[0] = 0; } else if (n[0] == 1 && n[6] == 1 && n[3] == -1) { n[3] = 0; } else if (n[0] == 1 && n[3] == 1 && n[6] == -1) { n[6] = 0; } else if (n[4] == 1 && n[7] == 1 && n[1] == -1) { n[1] = 0; } else if (n[1] == 1 && n[7] == 1 && n[4] == -1) { n[4] = 0; } else if (n[1] == 1 && n[4] == 1 && n[7] == -1) { n[7] = 0; } else if (n[5] == 1 && n[8] == 1 && n[2] == -1) { n[2] = 0; } else if (n[2] == 1 && n[8] == 1 && n[5] == -1) { n[5] = 0; } else if (n[2] == 1 && n[5] == 1 && n[8] == -1) { n[8] = 0; } else if (n[4] == 1 && n[2] == 1 && n[6] == -1) { n[6] = 0; } else if (n[6] == 1 && n[2] == 1 && n[4] == -1) { n[4] = 0; } else if (n[6] == 1 && n[4] == 1 && n[2] == -1) { n[2] = 0; } else if (n[4] == 1 && n[8] == 1 && n[0] == -1) { n[0] = 0; } else if (n[0] == 1 && n[8] == 1 && n[4] == -1) { n[4] = 0; } else if (n[0] == 1 && n[4] == 1 && n[8] == -1) { n[8] = 0; } else if (n[4] == -1) //free move { n[4] = 0; } else if (n[0] == -1) { n[0] = 0; } else if (n[2] == -1) { n[2] = 0; } else if (n[6] == -1) { n[6] = 0; } else if (n[8] == -1) { n[8] = 0; } else if (n[1] == -1) { n[1] = 0; } else if (n[3] == -1) { n[3] = 0; } else if (n[5] == -1) { n[5] = 0; } else if (n[7] == -1) { n[7] = 0; } } bool gameovero(int n[]) { if (n[0] == 0 && n[1] == 0 && n[2] == 0) { cout << "Game Over! O is the Winner!!!" << endl; return true; } else if (n[3] == 0 && n[4] == 0 && n[5] == 0) { cout << "Game Over! O is the Winner!!!" << endl; return true; } else if (n[6] == 0 && n[7] == 0 && n[8] == 0) { cout << "Game Over! O is the Winner!!!" << endl; return true; } else if (n[0] == 0 && n[3] == 0 && n[6] == 0) { cout << "Game Over! O is the Winner!!!" << endl; return true; } else if (n[1] == 0 && n[4] == 0 && n[7] == 0) { cout << "Game Over! O is the Winner!!!" << endl; return true; } else if (n[2] == 0 && n[5] == 0 && n[8] == 0) { cout << "Game Over! O is the Winner!!!" << endl; return true; } else if (n[0] == 0 && n[4] == 0 && n[8] == 0) { cout << "Game Over! O is the Winner!!!" << endl; return true; } else if (n[2] == 0 && n[4] == 0 && n[6] == 0) { cout << "Game Over! O is the Winner!!!" << endl; return true; } else return false; }

Tic Tac Toe KS