balance=balance-x; } int queryuser(int m) //查询用户 { return user=m; } void querymoney() //查询余额 { cout<<"用户"<<user<<"的余额为："<<balance<<endl; } int judge(int &m) { int key; if(m==user) { cout<<"请输入密码:"<<endl; cin>>key; if(key==cipher) { querymoney(); return 1; } else cout<<"密码输入错误！"<<endl; return 1; } else return 0; } };

int main() { account a,b,c; a.queryuser(10000); b.queryuser(10001); c.queryuser(10002); a.cipher=1111; b.cipher=2222; c.cipher=3333; a.save(1000); b.save(2000); c.save(3000); a.draw(300); b.draw(200);