34.用指针删除堆中的内存空间

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#include <iostream>
using namespace std;
$ O# E% B% M1 S7 `6 jint main(void)
{
int *p=new int;
*p=1;
cout<<*p<<endl;
& Y8 \* N8 \( O; \' G  q5 ~- P delete p;
cout<<*p<<endl;
p=0;
4 z; _  A  h0 u p=new int;
*p=2;
cout<<*p<<endl;
delete p;
5 A% Y% A9 e* Y9 y3 ^7 g return 0;
- e% v* X  S5 k8 ^1 a3 y}
  [8 o  Y, w7 Z( t6 ~; [. `