34.用指针删除堆中的内存空间

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#include <iostream>
using namespace std;
& s! U& u$ s/ }1 b& Q) T, ]$ Fint main(void)
{
int *p=new int;
*p=1;
4 p! o- v0 K5 _9 Q6 F cout<<*p<<endl;
delete p;
cout<<*p<<endl;
p=0;
3 W0 y$ p" u) G, S: P- z; R p=new int;
*p=2;
cout<<*p<<endl;
4 d5 i- M7 K  J# V- D delete p;
6 S7 e4 J2 Q6 b" k$ z1 |2 y return 0;
$ n8 S3 F: J" n% C; w}