#include <iostream>
#include <iomanip>
#include <string>
#include <cmath>
using namespace std;

int main ()
{
cout<<" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
<<endl
<<" The purpose of this program is to prompt the user to \n "
<<"enter a number of salaries, then display the average salary, all\n "
<<"salaries above the average, and the percentage of salaries \n"
<< " above the average.\n ";
cout<<endl;
cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";




const int SIZE = 30; 
double salary = 0, total = 0, average = 0, percent;
double salaries[SIZE];
int i = 0, counter = 0, high=0, count;
cout << endl;

cout<<setprecision(2)<<fixed<<showpoint;

while ((salary != -1) && (counter < SIZE)) {
cout << "Please enter a salary, -1 to finish entering:  ";
cin >> salary;
if (salary != -1) {
salaries[counter] = salary;
counter++;
} 
}

if (counter == 0)
cout << "\nNo salaries were entered!\n\n";

else {

// Total
for (i = 0; i < counter; i++)
total += salaries[i];
// Compute and display average of grades
cout << "\n\n Average of  entered:\n";
cout<<setprecision(2)<<fixed<<showpoint;
average = total /counter;
cout << " $" << average;

cout<< "\n\n Above average entered: \n";

for(int i = 0; i < counter; i++) //above average
    if (salaries[i] > average)
    {
    aboveaverage = salaries[i];
    cout<< "  $"<<aboveaverage << "\n";
    cout<<endl;

  percent =  sizeof(aboveaverage) / counter * 100.00;  
	
  cout << "\nPercentage of salaries above average: " << percent << "% \n";
	cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
}



}

#include <iostream>
#include <valarray>
using namespace std;

template<typename T> ostream & operator << ( ostream &out, const valarray<T> &V )
{
   for ( T e : V ) out << e << ' ';
   return out;
}

int main ()
{
   valarray<double> salaries = { 45050, 52900, 19010, 56000, 23460 };
   double average = salaries.sum() / salaries.size();
   valarray<double>highSalaries = salaries[salaries > average];
   double percentHigh = 100.0 * highSalaries.size() / salaries.size();
   
   cout << "Average salary = " << average << '\n'
        << "Higher-than-average salaries = " << highSalaries << '\n'
        << "Percentage of higher-than-average salaries = " << percentHigh << '\n';
}