void fire();
    int a=rand()%6+1;
	cout<<"来场酣畅淋漓的俄罗斯轮盘赌吧!"<<endl;
	Sleep(500);
	cout<<"这里有一把左轮,六个弹仓,5个空,有一个弹仓装了子弹"<<endl;
	Sleep(500); 
	cout<<"来吧!"<<endl
	Sleep(500); 
	for(int i=1;i<=n;i++){
		system("cls");
		if(i%2){
			cout<<"枪口对准——1:自己 2:对方"<<endl; 
		}
	}
}