Data Engineer

You are given an integer 'N', your task is to generate all combinations of well-formed parenthesis having ‘N’ pairs.

A parenthesis is called well-formed if it is balanced i.e. each left parenthesis has a matching right parenthesis and the matched pairs are well nested.

For Example:

For ‘N’ = 3,
All possible combinations are: 
((()))
(()())
(())()
()(())
()()()

You are given an arbitrary binary tree consisting of N nodes where each node is associated with a certain value. You need to check whether the given tree is a sum tree or not.

A binary tree is a sum tree if the value of each node is equal to the sum of nodes present in the left and the right subtree. An empty tree is a sum tree with 0 sums. A leaf node is also considered a sum tree with a sum equal to the value of the leaf node.

Scrape a website and convert real time data into a json and return using a script.(Learn)

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