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#include <iostream>
#include <string>
using namespace std;
//prints board
void display(char grid[5][5]){
for(int i = 0; i < 5; i++){
cout << endl;
for (int j = 0; j < 5; j++){
cout << grid[i][j];
}
}
}
int main() {
//loop to play again
while (true){
//vars
int choice;
char quit;
int turn = 1;
int move;
int z = 0;
bool slvd = false;
bool gameOver = false;
//menu
cout << "**************************" << endl << "* *" << endl << "* 1. Player VS Player *" << endl << "* 2. Player VS Computer *" << endl << "* 3. Instructions *" << endl << "* *" << endl << "**************************" << endl << endl;
//menu choice
cin >> choice;
switch (choice){
//player vs player
case 1:{
char grid[5][5] = {
{'1', '|', '2', '|', '3'},
{'-', '+', '-', '+', '-'},
{'4', '|', '5', '|', '6'},
{'-', '+', '-', '+', '-'},
{'7', '|', '8', '|', '9'}};
display(grid);
while (gameOver == false){
slvd = false;
if (turn == 1){
cout << endl << "X's Turn";
}
else if(turn == 2){
cout << endl << "O's Turn";
}
cout << endl << "Enter the square you want to go in (1-9): ";
cin >> move;
//determines move
while (slvd == false){
if(move == z && z < 10){
if (grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-2] != 'X' && grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-2] != 'O'){
if(turn == 1){
slvd = true;
grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-2] = 'X';
display(grid);
}
else if(turn == 2){
slvd = true;
grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-2] = 'O';
display(grid);
}
}
else{
cout << "Not a valid option" << endl << endl;
break;
}
}
else if(move != z){
z = z + 1;
}
else if(z < 0 or z > 9){
cout << "Not a valid option.";
break;
}
}
//win detection
//checks rows
//check X
if (turn == 1){
if (grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2] == 'X' && grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-4] == 'X'){
cout << "X Wins" << endl << endl;
gameOver = true;
break;
}
else if (grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-6] == 'X' && grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-4] == 'X'){
cout << "X Wins" << endl << endl;
gameOver = true;
break;
}
else if (grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2] == 'X' && grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2+2] == 'X'){
cout << "X Wins" << endl << endl;
gameOver = true;
break;
}
else{
turn = 2;
continue;
}
}
//check O
else if (turn == 2){
if (grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2] == 'O' && grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-4] == 'O'){
cout << "O Wins" << endl << endl;
gameOver = true;
break;
}
else if (grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-6] == 'O' && grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2-4] == 'O'){
cout << "O Wins" << endl << endl;
gameOver = true;
break;
}
else if (grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2] == 'O' && grid[(int(move/3.01)+1)*2-2][((move+2)%3+1)*2+2] == 'O'){
cout << "O Wins" << endl << endl;
gameOver = true;
break;
}
else{
turn = 1;
continue;
}
}
//checks columns
//checks diagonals
}
break;
}
//player vs computer
case 2:{
cout << "" << endl;
break;
}
//instructions
case 3:{
cout << "Instructions" << endl << "The game is played on a grid that's 3 squares by 3 squares. Player 1 is X, and player 2 or the computer is O. Players take turns putting their marks in empty squares. The first player to get 3 of their marks in a row (up, down, across, or diagonally) is the winner." << endl << endl << "Press Enter to Continue." << endl;
system("read");
continue;
}
//invalid choice
default:{
cout << "Not a valid option" << endl << endl;
break;
}
}
cout << "To go back to main menu press 'm' followed by enter" << endl << "To quit press 'q' followed by enter" << endl << endl;
cin >> quit;
if(quit == 'm'){
continue;
}
else if(quit == 'q'){
break;
}
}
return 0;
}
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