A Hyperheuristic for the Dial-a-Ride Problem with Time Windows

Listing 3

The pseudocode of the greedyheuristic selection operator.

(1) function greedy_heuristic_selection

(2)  set   = null,   = null

(3)  for each low-level heuristic   in

(4)      = low_level_heuristic_call

(5)    if   = null or   <  

(6)     set   =

(7)    end if

(8)  end for

(9)  return

(10) end function