LeetCode problems #2726 (JavaScript), #897 (Ruby)

I usually start the day by investigating the best solutions to LeetCode problems, solved by me on previous days.

And yesterday I solved #2726. Calculator with Method Chaining –
https://leetcode.com/problems/calculator-with-method-chaining/
You can watch yesterday’s video here: https://youtu.be/FhEV7T6qhck
So today I present to you the best approach to that problem.

Also, today I attempted and finally solved #897. Increasing Order Search Tree –
https://leetcode.com/problems/increasing-order-search-tree/
My solution is far from being optimal, so join me tomorrow to find out what is the best way to solve this problem.

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