Initialize latest stored information sliding window
If there are operators that have not been selected
Select an operator randomly from the operator pool.
Else
Calculating according to Eq. (11).
Calculating C according to Eq. (13).
Get the operator according to Eq. (12).
End
For   parameter_typenumber
If there is a parameter of this type that has not been combined with the
selected operator and parameters, which are more important than the current type of
parameter.
Randomly select a parameter of this type;
Else
Calculating according to Eq. (11).
Get the suitable parameter of type t according to Eq. (12).
End
End
Algorithm 1: The procedure for the adaptive selection.