34.用指针删除堆中的内存空间

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#include <iostream>
7 N, z/ D8 K" Nusing namespace std;
int main(void)
{
int *p=new int;
( o% ^- E8 e  ]# Y0 l, Z( ~9 C0 w *p=1;
5 }/ H/ n0 T, ~: _9 ?* p cout<<*p<<endl;
delete p;
cout<<*p<<endl;
p=0;
3 y0 i5 z3 }: n0 ]$ d8 G- A p=new int;
*p=2;
9 E( Y' ^- q1 c! S( _6 h1 L cout<<*p<<endl;
delete p;
# c, m& m# s6 k. ^& v7 \/ @ return 0;
0 G1 }3 X4 Z5 [+ ]: G) s}