Truck Scheduling for Cross-Docking of Fresh Produce with Repeated Loading

Algorithm 1

Crossover operation for inbound trucks.

	Require:, ,
	Ensure: a random number between [0, 1]
(1)	ifthen
(2)	select two parents
(3)	random a random number between [1, ]
(4)	copy the genes of parent 1 (three levels simultaneously) before random into the offspring 1
(5)	copy the legitimate genes of parent 2 into the remaining places of the offspring 1
(6)	copy the genes of parent 2 before random into the offspring 2
(7)	copy the legitimate genes of parent 1 into the remaining places of the offspring 2
(8)	end if