30.指针与变量类型

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#include <iostream>
2 J6 o, L! o# O# vusing namespace std;
2 U9 K- V5 [' d2 K; Xint main(void)
8 ?6 t- N% y. B6 q. w) n' T1 r{
int a=1;
& V# L8 z1 r; j! z/ d double b=3.14;
int *p=&a;//等价于int *p; int a; p=&a;
double *q=&b;
cout<<"p:"<<p<<endl;
/ l+ L8 D$ x$ ^8 n cout<<"q:"<<q<<endl;
, k6 r. F9 x, \! S cout<<endl;
p++;
0 U& L- w9 K- h1 f/ X q++;
4 d4 P, N0 H& {! v) m3 s# Y cout<<"p:"<<p<<endl;
cout<<"q:"<<q<<endl;
$ ~. q1 O2 ]3 h6 `# I3 l# m! o return 0;
# l, M" f+ @; D}