一个扫雷程序，输入你想要点开的位置的坐标，以及‘a’或‘d’，‘a’相当于左键那个格子就会打开，‘d’相当于右键，那个格子会插上小红旗。输入格式如“3 4 a”然后敲击回车，意思是打开第三行第四个。-A demining program, enter the location you want to point to open the coordinates, and　a　or　d ,　a　is equivalent to the grid will be left open,　d　is equivalent to the right, the grid will plug a small red flag . Input formats such as　3 4 a　then hit Enter, meaning open the third line fourth.