Pergunta de entrevista da empresa Wayfair
Given a string of brackets, return if string is valid or not. String is valid if all opening brackets have matching closing brackets. Example: {[()]} = valid {()[]} = valid {[} = invalid
Resposta da entrevista
Sigiloso
26 de ago. de 2016
Push the open bracket onto the stack when you see it, and pop the open bracket off the stack when you see a closing bracket