#include <bits/stdc++.h> using namespace std; int main(){ int qian=1000,quan,a1=5,a1s=0,shu,sui; while(1){ cout<<"1股票,其他退出"<<endl; cout<<"钱数"<<qian; cin>>quan; if(quan1){ cout<<"a股:初始5，最低3；50%下降4，50%上升2，50炒一次,按1炒一次 按2购 3卖"<<endl; cout<<"目前价格"<<a1<<endl<<"目前数量"<<a1s<<endl<<"钱数"<<qian; cin>>quan; if(quan1){ sui=rand(); qian=qian-50; if(qian<0){ return 0; }else{ if(sui%2==0){ a1=a1-4; if(a1-4<0){ cout<<"跌停"<<endl; a1s=0; a1=5; }if(a1>0&&a1<=3){ a1=3; cout<<"目前股价"<<a1<<endl; }else{ a1=a1-4; cout<<"目前股价"<<a1<<endl; } }else{ a1=a1+2; cout<<"目前股价"<<a1<<endl;

}
				continue;
			}
		}if(quan==2){
			cout<<"目前股价 "<<a1<<"钱数 "<<a1<<"买多少 "<<endl;
			cin>>shu;
			qian=qian-a1*shu;
			if(qian<=0){
				return 0;
			}else{
				a1s=a1s+shu;
			}
			continue;
		}if(quan==3){
			cout<<"目前股价"<<a1<<" "<<" 目前数量"<<a1s<<" 卖多少"<<endl;
			cin>>shu;
			if(shu>a1s){
				return 0;
			}else{
				qian=qian+shu*a1;
				a1s=a1s-shu;
				cout<<"钱数"<<qian<<endl;
			}
			continue;
		}else{
			continue;
		}
	}else{
		return 0;
	}
}

}