2.02 String

String #

No.TitleSolutionDifficultyTimeComplexitySpaceComplexityFavoriteAcceptance
0003Longest Substring Without Repeating CharactersGoMediumO(n)O(1)❤️31.6%
0005Longest Palindromic SubstringGoMedium30.7%
0006ZigZag ConversionGoMedium38.3%
0008String to Integer (atoi)GoMedium15.7%
0012Integer to RomanGoMedium57.1%
0013Roman to IntegerGoEasy57.0%
0017Letter Combinations of a Phone NumberGoMediumO(log n)O(1)49.9%
0020Valid ParenthesesGoEasyO(log n)O(1)40.0%
0022Generate ParenthesesGoMediumO(log n)O(1)65.8%
0028Implement strStr()GoEasyO(n)O(1)35.4%
0030Substring with Concatenation of All WordsGoHardO(n)O(n)❤️26.4%
0032Longest Valid ParenthesesGoHard29.9%
0043Multiply StringsGoMedium35.1%
0049Group AnagramsGoMediumO(n log n)O(n)59.8%
0067Add BinaryGoEasy47.3%
0071Simplify PathGoMediumO(n)O(n)34.9%
0076Minimum Window SubstringGoHardO(n)O(n)❤️36.2%
0091Decode WaysGoMediumO(n)O(n)26.9%
0093Restore IP AddressesGoMediumO(n)O(n)❤️37.9%
0115Distinct SubsequencesGoHard40.0%
0125Valid PalindromeGoEasyO(n)O(1)38.6%
0126Word Ladder IIGoHardO(n)O(n^2)❤️23.8%
0151Reverse Words in a StringGoMedium24.2%
0227Basic Calculator IIGoMedium38.8%
0344Reverse StringGoEasyO(n)O(1)70.7%
0345Reverse Vowels of a StringGoEasyO(n)O(1)45.2%
0385Mini ParserGoMedium34.6%
0387First Unique Character in a StringGoEasy54.0%
0537Complex Number MultiplicationGoMedium68.4%
0541Reverse String IIGoEasy49.6%
0557Reverse Words in a String IIIGoEasy72.4%
0632Smallest Range Covering Elements from K ListsGoHard54.5%
0647Palindromic SubstringsGoMedium62.7%
0767Reorganize StringGoMediumO(n log n)O(log n)❤️50.3%
0819Most Common WordGoEasy45.5%
0842Split Array into Fibonacci SequenceGoMediumO(n^2)O(1)❤️37.0%
0856Score of ParenthesesGoMediumO(n)O(n)64.9%
0916Word SubsetsGoMedium52.8%
0925Long Pressed NameGoEasyO(n)O(1)37.3%
0966Vowel SpellcheckerGoMedium51.9%
1003Check If Word Is Valid After SubstitutionsGoMediumO(n)O(1)56.6%
1108Defanging an IP AddressGoEasy88.4%
1170Compare Strings by Frequency of the Smallest CharacterGoMedium60.4%
1189Maximum Number of BalloonsGoEasy62.3%
1221Split a String in Balanced StringsGoEasy84.3%
1234Replace the Substring for Balanced StringGoMedium34.6%
1249Minimum Remove to Make Valid ParenthesesGoMedium64.2%
1332Remove Palindromic SubsequencesGoEasy68.3%
1455Check If a Word Occurs As a Prefix of Any Word in a SentenceGoEasy65.5%
1461Check If a String Contains All Binary Codes of Size KGoMedium54.3%
1573Number of Ways to Split a StringGoMedium31.4%
1614Maximum Nesting Depth of the ParenthesesGoEasy82.7%
1624Largest Substring Between Two Equal CharactersGoEasy58.6%
1653Minimum Deletions to Make String BalancedGoMedium51.6%
1662Check If Two String Arrays are EquivalentGoEasy82.5%
1668Maximum Repeating SubstringGoEasy38.7%
1678Goal Parser InterpretationGoEasy85.4%
1684Count the Number of Consistent StringsGoEasy81.8%
1694Reformat Phone NumberGoEasy65.2%
1704Determine if String Halves Are AlikeGoEasy79.4%
1736Latest Time by Replacing Hidden DigitsGoEasy41.2%
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