How to calculate that a binary tree contains no of leaves ?

Answer 1

You cannot.

Answer 2

You can do it with structure. Check the link below..!
http://www.geeksforgeeks.org/write-a-c-program-to-get-count-of-leaf-nodes-in-a-binary-tree/ hope u get your answer

Answer 3

Do you mean to calculate the number of leaves or are you speaking of "of leaves" ? In that last case, what are they please ?

Answer 4

to calculate the leaves number

Answer 5

It depends if you do it recursively or iteratively, but you'll just either go to each node's son if he has at least one, or else add one