34.用指针删除堆中的内存空间

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#include <iostream>
using namespace std;
. i# Y: x& p# sint main(void)
3 e- v8 k( d- a2 b% d6 P1 R, b{
int *p=new int;
*p=1;
1 A" x$ y! U9 V9 r  d cout<<*p<<endl;
delete p;
- W4 v3 T" x( I; y; f5 A! q/ n7 _ cout<<*p<<endl;
p=0;
p=new int;
9 k* p/ z: o& c) e *p=2;
cout<<*p<<endl;
delete p;
return 0;
* w7 A5 ~. G( v7 p, X}