30.指针与变量类型

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#include <iostream>
% y9 Y# ?- l3 A2 Uusing namespace std;
. }/ L: j, X5 A7 O+ S1 Cint main(void)
{
int a=1;
% r! b  W# |" @. P double b=3.14;
. _" y# F2 h2 J: t+ c. P, Y int *p=&a;//等价于int *p; int a; p=&a;
double *q=&b;
cout<<"p:"<<p<<endl;
; v9 k; K7 f! H cout<<"q:"<<q<<endl;
cout<<endl;
p++;
, B# A# k5 Y7 `, n) g. J0 ?2 l q++;
cout<<"p:"<<p<<endl;
1 D5 N" V- h# O cout<<"q:"<<q<<endl;
return 0;
! z- v, T9 o9 h0 U}
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