change

Board.cpp

+#include <iostream>
+#include <vector>
 #include "Board.h"
-using namespace std;
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+
+using namespace std;
+
+void displayBoard::start() {
+    board[4-1][4-1] = {'X'};
+    board[5-1][4-1] = {'O'};
+    board[5-1][5-1] = {'X'};
+    board[4-1][5-1] = {'O'};
+}
+
+void displayBoard::playerMove1(int x, int y) {
+    if (x > 8 || x < 0 || y > 8 || y < 0) {
+        cout << endl << "Invalid (X,Y) coordinates." << endl << endl;
+    } else {
+        board[x-1][y-1] = {'X'};
+    }    
+}
+
+void displayBoard::playerMove2(int x, int y) {
+     if (x > 8 || x < 0 || y > 8 || y < 0) {
+        cout << endl << "Invalid (X,Y) coordinates." << endl << endl;
+    } else {
+        board[x-1][y-1] = {'O'};
+    } 
+}
+
+void displayBoard::printBoard() {
+    cout << "    1   2   3   4   5   6   7   8 " << endl;
+    cout << "  +---+---+---+---+---+---+---+---+ "<< endl;
+    for (int j=0; j<8; j++) {
+        cout << j+1 << " |";
+        
+        for (int i=0; i<8; i++) {
+            if (isalpha(board[i][j])) {
+                cout << " " << board[i][j] << " |";
+            } else {
+                 cout << " " << board[i][j] << "  |";
+            }
+        }
+        cout << endl << "  +---+---+---+---+---+---+---+---+ "<< endl;
+    }
+}
+
+char displayBoard::chipCheck(int x, int y) {
+    return board[x][y];
+}
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