Pregunta de entrevista de Meta
How to space-efficiently store a binary tree in an array, and then how to extract the binary tree from its array representation.
Respuesta de la entrevista
Anónimo
9 nov 2017
Given a string of brackets, write a function to balance the brackets in the string by removing the fewest possible brackets (e.g. the string "(()(())" can be balanced by removing the first character)