4.19
#include<iostream>
int main()
{
using namespace std;
double wages[3]={10000.0,20000.0,30000.0};//{10000.3,20000.0,30000.0}
double *pw=wages;
cout<<"pw="<<pw<<",*pw="<<*pw<<"\n\n";
}
当为10000.0时，输出10000；当为10000.3时，输出10000.3
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