What is rooted binary tree and how to count number of rooted binary tree?

What is rooted binary tree and how to count number of rooted binary tree?

1Comment
shivani @shivani1234
17 Aug 2017 06:22 pm

Rooted binary tree is simply a binary tree.
 https://www.wikiwand.com/en/Binary_tree

Number of binary trees with n no. of nodes is calculated by Catalan number : 2nCn/(n+1)

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