猜数字游戏。灵活的操作，可以自动判断胜负；系统采用良好的人机对话模式，界面设计美观、友好；系统运行稳定、安全可靠。-Guessing game. Flexible operation, can automatically determine the outcome system uses good man-machine dialogue mode, the interface is beautifully designed and friendly system is stable, sa