有如下程序: include 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______。

有如下程序: include 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______。


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