Ready to get started with anonymous questions today? It's easy! Learn more.
Recursion-1 > nestParen
prev | next | chance
Given a string, return true if it is a nesting of zero or more pairs of parenthesis, like "(())" or "((()))". Suggestion: check the first and last chars, and then recur on what's inside them.
nestParen("(())") → true
nestParen("((()))") → true
nestParen("(((x))") → false
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
Join the community of 500,000 technology professionals and ask your questions.