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

void Func1();
void Func2();
void PrintBalances(const double* list, const int size);

const int SIZE = 5;

int main()
{
   cout << right << fixed << setprecision(2);

   double balances[SIZE] = { 23.45, 134.56, 987.3546, 33.0, 15483.977 };
   PrintBalances(balances, SIZE);

//   Func1();
   Func2();

   PrintBalances(balances, SIZE);
}

void Func1()
// does some formatting changes, does NOT reset stream flags
{
   cout << left << scientific << setprecision(3);

   double x = 12345.6789, y = 9874586.3456;
   cout << setw(20) << x << setw(20) << y << "***\n\n";
   cout << setw(15) << x << setw(15) << y << "***\n\n";

   cout << setfill('-');
   cout << setw(20) << x << setw(20) << y << "***\n\n";
   cout << setw(15) << x << setw(15) << y << "***\n\n";

}

void Func2()
// same function, does formatting changes, but resets stream flags to 
//  prior state
{
   // capture current settings
   ios_base::fmtflags fstate = cout.flags();
   char oldfill = cout.fill();
   int oldprecision = cout.precision();

   // make changes and do OUR output for this function
   cout << left << scientific << setprecision(3);

   double x = 12345.6789, y = 9874586.3456;
   cout << setw(20) << x << setw(20) << y << "***\n\n";
   cout << setw(15) << x << setw(15) << y << "***\n\n";

   cout << setfill('-');
   cout << setw(20) << x << setw(20) << y << "***\n\n";
   cout << setw(15) << x << setw(15) << y << "***\n\n";

   // RESTORE settings to what they were when this function started
   cout.flags(fstate);
   cout.fill(oldfill);
   cout.precision(oldprecision);
}

void PrintBalances(const double* list, const int size)
{
   cout << '\n';
   for (int i = 0; i < size; i++)
   {
      cout << "Account " << i+1 << " balance =  $ ";
      cout << setw(20) << list[i] << '\n';
   }
   cout << '\n';
}