refactoring: Using a loop

src/main/c/GameTic_Tac_Toe/game.c

@@ -6,16 +6,22 @@ char board[3][3] = {{'1', '2', '3'},
 char currentPlayer = 'X';
 const char PLAYER_X = 'X';
 const char PLAYER_O = 'O';
+
 // Funktionen zur Anzeige des Spielbretts
 void displayBoard() {
     printf("Tic-Tac-Toe\n");
-    for (int i = 0; i < 3; i++) {
-        for (int j = 0; j < 3; j++) {
+    for (int i = 0; i < BOARD_SIZE; i++) {
+        for (int j = 0; j < BOARD_SIZE; j++) {
             printf("%c", board[i][j]);
-            if (j < 2) printf(" | ");
-        }
+            if (j < BOARD_SIZE - 1) printf(" | ");
+       }
         printf("\n");
-        if (i < 2) printf("---------\n");
+        if (i < BOARD_SIZE - 1) {
+            for (int k = 0; k < BOARD_SIZE * 4 - 1; k++) {
+                printf("-");
+            }
+            printf("\n");
+        }
     }
 }
 char checkLine(char a, char b, char c) {