Union-find in action 。Union(A,B o Find(A)returns A and Find(B)returns B o Make Alice the boss of Bob o Increase the height of the tree A B C D E 1 0 0 0 0 ● ●Union-find in action • Union(A, B) o Find(A) returns A and Find(B) returns B o Make Alice the boss of Bob o Increase the height of the tree A B C D E 1 0 0 0 0