Introduction - If you have any usage issues, please Google them yourself
Assume a collection of elements of A and B are integers, and two linear tables la and lb, respectively, to store the sets A and B members. Now remove lb in each element in turn, according to their value to find the linear form la, if the element does not exist in the la, insert it into the la in the last linear form la placed with a collection of elements of the AUB.