模拟“地雷游戏”。在9*9的方格中，随机布上10个“地雷”，按9行9列输出各格子的数（有雷为9，无雷为0）。在有相邻地雷的格子内进一步标出相邻地雷数。-Simulation "mine game." 9* 9 grid, random cloth 10 "land mines", line 9 by 9 grid of the output number (with Ray 9, no mine is 0). Grid in the adjacent mines to further mark the number of adjacent mines