Validate Bracket String | Dataford Interview Questions

Given a string s consisting only of the characters '(', ')', '[', ']', '{', and '}', return True if the brackets are valid and False otherwise. A string is valid if every opening bracket is closed by the same type of bracket and the pairs are closed in the correct order.

Constraints

1 <= len(s) <= 10^4
s[i] is one of '(', ')', '[', ']', '{', '}'
The solution should run in O(n) time

Function Signature

def is_valid_brackets(s):

Your question is Validate Bracket String. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Constraints

1 <= len(s) <= 10^4
s[i] is one of '(', ')', '[', ']', '{', '}'
The solution should run in O(n) time

Function Signature

def is_valid_brackets(s):

Your question is Validate Bracket String. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.