Challenge: Valid Parentheses
Try to solve the Valid Parentheses problem.
We'll cover the following
Statement
Given a string, exp
, which may consist of opening and closing parentheses. Your task is to check whether or not the string contains valid parenthesization.
The conditions to validate are as follows:
Every opening parenthesis should be closed by the same kind of parenthesis. Therefore,
{)
and[(])
strings are invalid.Every opening parenthesis must be closed in the correct order. Therefore,
)(
and()(()
are invalid.
Constraints:
exp.length
The string will only contain the following characters:
(
,)
,[
,]
,{
, and}
.
Examples
Level up your interview prep. Join Educative to access 80+ hands-on prep courses.