A rooted binary tree is full if every vertex has either two children or no children.
Example of Catalan Numbers use case.
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- Jan 2019
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Catalan numbers notation and short explanation of it.
Use - LookUP: Combinatorics (non crossing combinations) ex: ((())), ()(()), ()()(), (())(), (()())
ref: https://www.geeksforgeeks.org/program-nth-catalan-number/
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