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Grokking the Coding Interview Patterns in Go

Solution: Parsing a Boolean Expression

Understand how to parse and evaluate complex boolean expressions using stacks. This lesson teaches you to handle nested NOT, AND, and OR operations effectively, preparing you for similar coding interview challenges.

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Statement

You are given a string, expression, that represents a boolean expression. The expression can take one of the following forms:

  • 't': Represents the boolean value TRUE.

  • 'f': Represents the boolean value FALSE.

  • '!(expr)': Represents a NOT operation applied to a subexpression expr. It returns the logical negation of expr.

  • '&(expr1, expr2, ..., exprN)': Represents an AND operation over one or more subexpressions. It returns TRUE only if all subexpressions evaluate to TRUE. ...