PrepCode

Bracket Sequences

15 problems

Algorithms pattern questions across top companies

Timeframe:
Showing 15 questions
#20Valid ParenthesesEasystringNeetCodeAMDAccoliteAdobe
#22Generate ParenthesesMediumstringNeetCodeAdobeAmazonApple
#32Longest Valid ParenthesesHardstringWalkCCCAccentureAmazonBloomberg
#241Different Ways to Add ParenthesesMediummathWalkCCCAmazonBloombergDeutsche Bank
#678Valid Parenthesis StringMediumstringNeetCodeAlibabaAmazonApple
#1614Maximum Nesting Depth of the ParenthesesEasystringWalkCCCAmazonBloombergGoogle
#1963Minimum Number of Swaps to Make the String BalancedMediumtwo pointersWalkCCCAmazonExpediaGoogle
#2116Check if a Parentheses String Can Be ValidMediumstringWalkCCCAmazonBloombergGoogle
#1541Minimum Insertions to Balance a Parentheses StringMediumstringWalkCCCAmazonBloombergGoogle
#1190Reverse Substrings Between Each Pair of ParenthesesMediumstringWalkCCCAdobeAmazonBloomberg
#921Minimum Add to Make Parentheses ValidMediumstringWalkCCCAmazonBloombergGoogle
#1111Maximum Nesting Depth of Two Valid Parentheses StringsMediumstringWalkCCCAmazonBloombergGoogle
#1021Remove Outermost ParenthesesEasystringWalkCCCAmazonBloombergGoogle
#856Score of ParenthesesMediumstringWalkCCCAmazonBloombergGoogle
#2267Check if There Is a Valid Parentheses String PathHardarrayWalkCCCAmazonGoogle