#include <iostream>
const int MAX=5;
double* fill_array(double* begin,double* end);
void show_array(const double ar[],const double* n);
void reValue_array(double r,double ar[],const double* n);
int main()
{
 using namespace std;
 double properties[MAX];
    const double* size=fill_array(properties,properties+MAX);
 show_array(properties,size);
 cout<<"Please enter the double value you want to change.\n";
 double value;
 cin>>value;
 reValue_array(value,properties,size);
 show_array(properties,size);
 return 0;
}
double* fill_array(double* begin,double* end)
{
 using namespace std;
 double* pt;
 //double* temp;
 double a;
 //temp=&a;
 for(pt=begin;pt!=end;pt++)
 {
  cout<<"Please enter the value #: \n";
  cin>>a;
  if(!cin)
  {
   cin.clear();
   while(cin.get()!='\n')
    continue;
   cout<<"Bad input,input process terminated.\n";
   break;
  }
  else if(a<0)
   break;
  *pt=a;
 }
 return pt;
}
void show_array(const double ar[],const double* n)
{
 using namespace std;
 const double* pt;
 for(pt=ar;pt!=n;pt++)
 {
  cout<<"The value of properties #: \n";
  cout<<*pt<<endl;
 }
 cout<<endl;
}
void reValue_array(double r,double ar[],const double* n)
{
 using namespace std;
 double* pt;
 for(pt=ar;pt!=n;pt++)
 {
  *pt=r;
 }
}

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