30.指针与变量类型

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#include <iostream>
7 y, w% i. ]% _4 |9 ~7 Q, D/ Ousing namespace std;
9 V4 G, @$ V5 R$ Q1 dint main(void)
{
. o+ Z& x( [: ]2 h: l9 I4 w& E int a=1;
" m+ x: G- Q, L3 S  u7 R double b=3.14;
2 m2 Z0 Q" J( q int *p=&a;//等价于int *p; int a; p=&a;
3 g( U) ~6 ], H5 R9 o2 g! y' Z6 } double *q=&b;
$ x& @  q; W8 L  Y' o! ` cout<<"p:"<<p<<endl;
, s8 L3 d9 a, o9 ]! x2 C cout<<"q:"<<q<<endl;
cout<<endl;
& `" H5 `  J  d0 r p++;
& Z1 w; c7 I1 r$ I9 B* Z! c q++;
cout<<"p:"<<p<<endl;
cout<<"q:"<<q<<endl;
return 0;
}
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