2.02 String

String #

0003Longest Substring Without Repeating CharactersGoMediumO(n)O(1)❤️33.8%
0005Longest Palindromic SubstringGoMedium32.4%
0006Zigzag ConversionGoMedium43.0%
0008String to Integer (atoi)GoMedium16.6%
0012Integer to RomanGoMedium61.4%
0013Roman to IntegerGoEasy58.3%
0014Longest Common PrefixGoEasy40.7%
0017Letter Combinations of a Phone NumberGoMediumO(log n)O(1)55.5%
0020Valid ParenthesesGoEasyO(log n)O(1)40.7%
0022Generate ParenthesesGoMediumO(log n)O(1)71.8%
0028Find the Index of the First Occurrence in a StringGoMediumO(n)O(1)37.5%
0030Substring with Concatenation of All WordsGoHardO(n)O(n)❤️30.9%
0032Longest Valid ParenthesesGoHard32.7%
0043Multiply StringsGoMedium38.7%
0049Group AnagramsGoMediumO(n log n)O(n)65.9%
0058Length of Last WordGoEasy40.4%
0065Valid NumberGoHard18.6%
0067Add BinaryGoEasy51.3%
0071Simplify PathGoMediumO(n)O(n)39.2%
0076Minimum Window SubstringGoHardO(n)O(n)❤️40.7%
0091Decode WaysGoMediumO(n)O(n)32.2%
0093Restore IP AddressesGoMediumO(n)O(n)❤️43.4%
0097Interleaving StringGoMedium37.1%
0115Distinct SubsequencesGoHard43.7%
0125Valid PalindromeGoEasyO(n)O(1)43.5%
0126Word Ladder IIGoHardO(n)O(n^2)❤️27.6%
0127Word LadderGoHard36.6%
0131Palindrome PartitioningGoMedium62.3%
0151Reverse Words in a StringGoMedium30.2%
0168Excel Sheet Column TitleGoEasy34.7%
0171Excel Sheet Column NumberGoEasy61.3%
0179Largest NumberGoMedium34.0%
0187Repeated DNA SequencesGoMedium46.1%
0205Isomorphic StringsGoEasy42.5%
0208Implement Trie (Prefix Tree)GoMedium60.8%
0211Design Add and Search Words Data StructureGoMedium43.2%
0212Word Search IIGoHard36.9%
0224Basic CalculatorGoHard41.1%
0227Basic Calculator IIGoMedium42.2%
0242Valid AnagramGoEasy62.7%
0257Binary Tree PathsGoEasy60.5%
0290Word PatternGoEasy40.4%
0297Serialize and Deserialize Binary TreeGoHard54.9%
0299Bulls and CowsGoMedium48.5%
0301Remove Invalid ParenthesesGoHard47.1%
0306Additive NumberGoMedium30.9%
0318Maximum Product of Word LengthsGoMedium60.1%
0331Verify Preorder Serialization of a Binary TreeGoMedium44.2%
0344Reverse StringGoEasyO(n)O(1)76.1%
0345Reverse Vowels of a StringGoEasyO(n)O(1)47.7%
0383Ransom NoteGoEasy57.6%
0385Mini ParserGoMedium36.5%
0387First Unique Character in a StringGoEasy58.8%
0389Find the DifferenceGoEasy60.4%
0392Is SubsequenceGoEasy49.3%
0394Decode StringGoMedium57.5%
0395Longest Substring with At Least K Repeating CharactersGoMedium44.8%
0402Remove K DigitsGoMedium30.5%
0409Longest PalindromeGoEasy54.6%
0412Fizz BuzzGoEasy68.7%
0423Reconstruct Original Digits from EnglishGoMedium51.3%
0424Longest Repeating Character ReplacementGoMedium51.4%
0433Minimum Genetic MutationGoMedium48.1%
0434Number of Segments in a StringGoEasy37.7%
0438Find All Anagrams in a StringGoMedium48.9%
0451Sort Characters By FrequencyGoMedium68.6%
0474Ones and ZeroesGoMedium46.7%
0488Zuma GameGoHard34.8%
0500Keyboard RowGoEasy69.0%
0520Detect CapitalGoEasy55.6%
0524Longest Word in Dictionary through DeletingGoMedium51.2%
0535Encode and Decode TinyURLGoMedium85.8%
0537Complex Number MultiplicationGoMedium71.3%
0541Reverse String IIGoEasy50.5%
0551Student Attendance Record IGoEasy48.0%
0557Reverse Words in a String IIIGoEasy81.5%
0567Permutation in StringGoMedium43.8%
0583Delete Operation for Two StringsGoMedium59.3%
0599Minimum Index Sum of Two ListsGoEasy52.8%
0609Find Duplicate File in SystemGoMedium67.8%
0647Palindromic SubstringsGoMedium66.3%
0648Replace WordsGoMedium62.7%
0676Implement Magic DictionaryGoMedium56.9%
0677Map Sum PairsGoMedium57.0%
0692Top K Frequent WordsGoMedium56.8%
0696Count Binary SubstringsGoEasy65.5%
0709To Lower CaseGoEasy81.9%
0720Longest Word in DictionaryGoMedium51.8%
0721Accounts MergeGoMedium56.3%
0726Number of AtomsGoHard52.2%
0745Prefix and Suffix SearchGoHard41.3%
0748Shortest Completing WordGoEasy59.2%
0752Open the LockGoMedium55.5%
0763Partition LabelsGoMedium79.8%
0767Reorganize StringGoMediumO(n log n)O(log n)❤️52.7%
0771Jewels and StonesGoEasy88.0%
0784Letter Case PermutationGoMedium73.4%
0791Custom Sort StringGoMedium69.4%
0792Number of Matching SubsequencesGoMedium51.9%
0794Valid Tic-Tac-Toe StateGoMedium35.2%
0811Subdomain Visit CountGoMedium75.1%
0816Ambiguous CoordinatesGoMedium56.1%
0819Most Common WordGoEasy45.0%
0820Short Encoding of WordsGoMedium60.7%
0821Shortest Distance to a CharacterGoEasy71.4%
0828Count Unique Characters of All Substrings of a Given StringGoHard51.6%
0830Positions of Large GroupsGoEasy51.7%
0838Push DominoesGoMedium57.0%
0839Similar String GroupsGoHard47.6%
0842Split Array into Fibonacci SequenceGoMediumO(n^2)O(1)❤️38.2%
0844Backspace String CompareGoEasy48.0%
0856Score of ParenthesesGoMediumO(n)O(n)65.1%
0859Buddy StringsGoEasy29.0%
0880Decoded String at IndexGoMedium28.3%
0884Uncommon Words from Two SentencesGoEasy65.9%
0890Find and Replace PatternGoMedium77.9%
0916Word SubsetsGoMedium54.1%
0921Minimum Add to Make Parentheses ValidGoMedium76.4%
0925Long Pressed NameGoEasyO(n)O(1)33.7%
0942DI String MatchGoEasy76.6%
0949Largest Time for Given DigitsGoMedium35.2%
0953Verifying an Alien DictionaryGoEasy52.7%
0966Vowel SpellcheckerGoMedium51.5%
0981Time Based Key-Value StoreGoMedium53.6%
0984String Without AAA or BBBGoMedium42.9%
0990Satisfiability of Equality EquationsGoMedium50.7%
1002Find Common CharactersGoEasy68.3%
1003Check If Word Is Valid After SubstitutionsGoMediumO(n)O(1)58.2%
1021Remove Outermost ParenthesesGoEasy80.1%
1028Recover a Tree From Preorder TraversalGoHard72.8%
1047Remove All Adjacent Duplicates In StringGoEasy70.5%
1048Longest String ChainGoMedium59.2%
1078Occurrences After BigramGoEasy63.9%
1079Letter Tile PossibilitiesGoMedium76.1%
1108Defanging an IP AddressGoEasy89.4%
1111Maximum Nesting Depth of Two Valid Parentheses StringsGoMedium73.2%
1143Longest Common SubsequenceGoMedium58.8%
1154Day of the YearGoEasy50.3%
1160Find Words That Can Be Formed by CharactersGoEasy67.8%
1170Compare Strings by Frequency of the Smallest CharacterGoMedium61.3%
1178Number of Valid Words for Each PuzzleGoHard46.6%
1189Maximum Number of BalloonsGoEasy62.1%
1190Reverse Substrings Between Each Pair of ParenthesesGoMedium65.9%
1202Smallest String With SwapsGoMedium57.6%
1208Get Equal Substrings Within BudgetGoMedium47.6%
1209Remove All Adjacent Duplicates in String IIGoMedium56.0%
1221Split a String in Balanced StringsGoEasy84.7%
1234Replace the Substring for Balanced StringGoMedium36.8%
1239Maximum Length of a Concatenated String with Unique CharactersGoMedium52.2%
1249Minimum Remove to Make Valid ParenthesesGoMedium65.6%
1268Search Suggestions SystemGoMedium66.6%
1332Remove Palindromic SubsequencesGoEasy76.1%
1396Design Underground SystemGoMedium73.7%
1446Consecutive CharactersGoEasy61.6%
1455Check If a Word Occurs As a Prefix of Any Word in a SentenceGoEasy64.2%
1461Check If a String Contains All Binary Codes of Size KGoMedium56.8%
1573Number of Ways to Split a StringGoMedium32.4%
1576Replace All ?’s to Avoid Consecutive Repeating CharactersGoEasy49.2%
1614Maximum Nesting Depth of the ParenthesesGoEasy82.7%
1624Largest Substring Between Two Equal CharactersGoEasy59.0%
1629Slowest KeyGoEasy59.4%
1647Minimum Deletions to Make Character Frequencies UniqueGoMedium59.2%
1653Minimum Deletions to Make String BalancedGoMedium58.7%
1657Determine if Two Strings Are CloseGoMedium54.2%
1662Check If Two String Arrays are EquivalentGoEasy83.2%
1663Smallest String With A Given Numeric ValueGoMedium66.9%
1668Maximum Repeating SubstringGoEasy39.6%
1678Goal Parser InterpretationGoEasy86.0%
1684Count the Number of Consistent StringsGoEasy81.8%
1689Partitioning Into Minimum Number Of Deci-Binary NumbersGoMedium89.7%
1694Reformat Phone NumberGoEasy64.7%
1704Determine if String Halves Are AlikeGoEasy77.4%
1736Latest Time by Replacing Hidden DigitsGoEasy42.2%
1758Minimum Changes To Make Alternating Binary StringGoEasy58.3%
1763Longest Nice SubstringGoEasy61.7%
1816Truncate SentenceGoEasy81.9%
2038Remove Colored Pieces if Both Neighbors are the Same ColorGoMedium58.0%
2096Step-By-Step Directions From a Binary Tree Node to AnotherGoMedium48.8%
2167Minimum Time to Remove All Cars Containing Illegal GoodsGoHard40.1%
2182Construct String With Repeat LimitGoMedium51.8%



Calendar Nov 10, 2022
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