30.指针与变量类型

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#include <iostream>
* j9 s% y4 ^) ?" {8 i( R; e% fusing namespace std;
int main(void)
' x% M* w9 u/ X* v  v( v( E( R. j{
int a=1;
6 A. C3 ]9 I5 z! s double b=3.14;
4 w1 c4 J7 j' ^5 q int *p=&a;//等价于int *p; int a; p=&a;
$ a8 D* @$ D) u9 w double *q=&b;
( t! t1 z& M) c- w cout<<"p:"<<p<<endl;
cout<<"q:"<<q<<endl;
cout<<endl;
- N4 {& V# l# n! S p++;
# f" k6 d  w) f: N  s4 x( j q++;
cout<<"p:"<<p<<endl;
cout<<"q:"<<q<<endl;
- f8 r1 A& W* m; u+ ? return 0;
+ v( S' g7 d' C* h2 d}