81. 有如下程序：
#include<iostream>
#include<string>
using namespace std;
class Appliance{
public:
Appliance(string t="A"):type(t) { }
~Appliance () { cout<<type; }
public:
string type;
};
class TV:public Appliance{
public:
TV():size(0) { }
TV(int s):Appliance("T"), size(s) { }
~TV() { cout<<size; }
private:
int size;
};
int main(){
TV room1, room2(41);
return 0;
}
运行时的输出结果是______。
