/*

  Pickover puzzle1
  
  http://hakank.org/jgap/pickover_puzzle1.conf
  https://twitter.com/pickover/status/1504602497280786435
  Pickover puzzle: https://twitter.com/pickover/status/1504602497280786435
  (https://gpuzzles.com/mind-teasers/very-easy-number-sequence-puzzle/ )
  
   What number should replaced the question mark?
      3         9       8
     44        32      75
   8    4    7   2    7  ? 
  
  Encoded as
     a
     b
   c  d 

  i.e. d is the output variable (unknown)

  [program = B / (A + C),res = 5.0,count = 55]
  [program = B / (C + A),res = 5.0,count = 49]
  [program = 4 / (9 - C),res = 2.0,count = 29]
  [program = (A + 9) / A,res = 2.125,count = 24]
  [program = (9 + C / C * A) / A,res = 2.125,count = 15]
  [program = 2 + (3 + (10 - 4 - A)) / A,res = 2.125,count = 14]
  [program = (5 * 3 - A) / 9 * 3,res = 2.333333333333333,count = 7]
  [program = C / (A + 5) * 4,res = 2.153846153846154,count = 5]
  [program = (9 + A) / A,res = 2.125,count = 4]
  [program = 4 * (C / (A + 5)),res = 2.153846153846154,count = 1]

  resultMap = [2.125 = 4,5.0 = 2,2.153846153846154 = 2,2.333333333333333 = 1,2.0 = 1]

*/
data(pickover_puzzle1,Data,Vars,Unknown,Ops,Constants,MaxSize,Params) :-
  Data = [[[3,44, 8],4],
          [[9,32, 7],2]
          ],
  Vars = ['A','B','C'], % The variables must be atoms!
  Unknown = [8,75,7],  
  Ops = [+,*,/,-],
  Constants = 1..10,
  Params = new_map([init_size=1000,num_gens=100]),
  MaxSize = 21.