34.用指针删除堆中的内存空间

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#include <iostream>
1 q6 |1 r  z. d7 S7 ?" Ausing namespace std;
int main(void)
7 i+ Y0 J  S+ m% h) r1 v: q{
1 }/ p" _7 Y; ]4 _ int *p=new int;
9 C0 M  u3 D; `! Z. E *p=1;
cout<<*p<<endl;
* O2 _# H6 s+ ?6 ^ delete p;
. s: a+ G: h2 ^2 B cout<<*p<<endl;
p=0;
. i1 F3 F  \4 U: Y( I$ R: X p=new int;
9 d* v) t7 W; @* h. `  D# u9 _8 P( | *p=2;
cout<<*p<<endl;
7 r) t( q' B! R delete p;
return 0;
9 C) @* e, r6 W6 `5 x- D}