30.指针与变量类型

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#include <iostream>
1 l( u8 D' [# Fusing namespace std;
& e% T6 K- \$ b# z% j, B( [2 xint main(void)
{
! w; D9 v6 C' z; l& n% O$ B; h int a=1;
double b=3.14;
4 Q- }! a1 Y3 P% B: |7 R int *p=&a;//等价于int *p; int a; p=&a;
" \/ p' G; F2 {( s8 X  p double *q=&b;
cout<<"p:"<<p<<endl;
cout<<"q:"<<q<<endl;
cout<<endl;
3 S' e3 u# J/ `3 I  g' K p++;
7 y" ^) i, F$ L7 {3 g, Z/ H2 l) _- ? q++;
cout<<"p:"<<p<<endl;
cout<<"q:"<<q<<endl;
5 d, Y$ C2 H* O' { return 0;
7 a" Y3 p0 [  D* |/ D( a8 e" E}
- m9 G  \0 r( r1 }( g