34.用指针删除堆中的内存空间

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#include <iostream>
using namespace std;
) _# m2 Q& |7 A; d, s" Rint main(void)
; r7 e) ~) n$ Q" Z6 c6 U. X9 M{
( @1 k/ l- G3 e3 W" B" I' l int *p=new int;
& K9 E7 I3 q" S9 D, s% e% d *p=1;
cout<<*p<<endl;
delete p;
cout<<*p<<endl;
p=0;
p=new int;
*p=2;
8 v  p( t3 Z2 [ cout<<*p<<endl;
8 P1 R8 \) t3 q* o" w delete p;
return 0;
}