![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
[主观题]
有如下程序: include<iostream> using namespace std; class Sac{ int n; public: Sac():n(4){co
有如下程序:
include<iostream>
using namespace std;
class Sac{
int n;
public:
Sac():n(4){cout<<n;}
Sac(int k):n(k){cout<<n;}
~Sac(){cont<<n+n;}
};
int main(){
Sac s1,*s2;
s2=new Sac(3);
delete s2;
return 0;
}
运行时的输出结果是______。
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)