30.指针与变量类型

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#include <iostream>
using namespace std;
/ U/ p2 z2 g1 g2 c" m& A: Oint main(void)
. K; r9 ~) v' |1 d$ {& H{
9 G- Q3 c) d( I) Z/ v, v int a=1;
double b=3.14;
" o2 a+ l1 G/ U' {2 E& F int *p=&a;//等价于int *p; int a; p=&a;
0 d& ]+ l$ m" `8 d3 M- i7 w  g double *q=&b;
3 W3 x* P# w0 b# a% v, e% m& @+ c cout<<"p:"<<p<<endl;
cout<<"q:"<<q<<endl;
cout<<endl;
p++;
( b# l: ?* I3 _" t. Q. ~ q++;
% ^* Y. L0 f. B9 p+ Q' r cout<<"p:"<<p<<endl;
cout<<"q:"<<q<<endl;
; B3 W$ S& `5 ~0 h4 L7 u return 0;
- {1 c. k0 b: i0 H5 s* p}