GnomeSort

//+------------------------------------------------------------------+
//|                                                    GnomeSort.mq5 |
//|                                    2019-2021, dimitri pecheritsa |
//|                                         mql5.com/en/users/dmipec |
//|------------------------------------------------------------------|
//|  f  | script program start function                              |
//|------------------------------------------------------------------|
//| use | gnome sort example. sort market watch symbols by spread    |
//+------------------------------------------------------------------+
#include <Mqh\Algorithms\SortGnome\GnomeSort.mqh>
#include <Mqh\Algorithms\SortGnome\Functions.mqh>
void OnStart(void)
  {
//--- load symbols from the warket watch window
   string symbols[];
   SymbolsLoad(symbols);
//--- load spreads of the symbols 
   int keys[];
   SymbolKeysSpread(symbols,keys);
//--- sort symbols by spread in accending order 
   ArraySort(keys,symbols,new CGnomeSort<int,string>);
//--- print a table of symbols to check result
   SymbolsPrint(symbols);
  }
//--------------------------------------------------------------------
//               symbol |   spread |    point
//--------------------------------------------------------------------
//                BRENT |        6 |     0.01
//               EURUSD |       16 |    1E-05
//            .US30Cash |       16 |      0.1
//                 TSLA |       47 |     0.01
//               XAUUSD |      300 |    0.001
//               USDRUB |      672 |   0.0001
//               BTCUSD |    13833 |     0.01
//--------------------------------------------------------------------