What is the possible number of binary trees that can be created with 3 nodes, giving the sequence N, M, L when traversed in post-order.
A. 15
B. 3
C. 5
D. 8
Answer:C
What is the possible number of binary trees that can be created with 3 nodes, giving the sequence N, M, L when traversed in post-order.
A. 15 B. 3 C. 5 D. 8