#include <iostream>
#include <vector>
using namespace std;
const int BOARD_SIZE = 9; // 设定棋盘大小,这里选择的是9x9的小型棋盘
char board[BOARD_SIZE][BOARD_SIZE]; // 棋盘数组
// 初始化棋盘
void initBoard() {
for (int i = 0; i < BOARD_SIZE; ++i) {
for (int j = 0; j < BOARD_SIZE; ++j) {
board[i][j] = '.'; // 使用.表示空位
}
}
}
// 打印棋盘
void printBoard() {
cout << " ";
for (int i = 0; i < BOARD_SIZE; ++i)
cout << i << " ";
cout << endl;
for (int i = 0; i < BOARD_SIZE; ++i) {
cout << i << " ";
for (int j = 0; j < BOARD_SIZE; ++j) {
cout << board[i][j] << " ";
}