利用多线程，自己写的坦克大战。可以玩游戏，攻击完所有坦克并回到左上角，即完成游戏，游戏用时最短说明成绩越好。-Use of multi-threading, write your own Tankedaizhan. You can play the game, attacking all the tanks and back to the upper left corner, that is to complete the game, the shortest descr iption of t