34.用指针删除堆中的内存空间

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#include <iostream>
using namespace std;
7 L" ^% R5 t( B8 m6 l, R8 uint main(void)
{
int *p=new int;
+ w/ d7 Y7 n1 ?& Z2 e* m *p=1;
* a% o( Y4 V. c# P$ m, w% }# t# S cout<<*p<<endl;
# _* s4 ?! I9 P( J3 L delete p;
cout<<*p<<endl;
p=0;
. \7 ~6 Z; M  H( J0 C p=new int;
*p=2;
! b; T1 K4 U; h/ i2 b8 N cout<<*p<<endl;
delete p;
3 j5 m. s: }( `8 O- B return 0;
}
- y& |. I2 M% U# H+ Y8 o0 m