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String LeetCode problems — visual solutions

Every LeetCode problem tagged String — the full catalogue, plus animated visual solutions in Python and Go when a deep-dive exists.

903 problems · 778 animated · 125 locked

Start with a walkthrough

Full String index

  1. 3Longest Substring Without Repeating CharactersWatch
  2. 5Longest Palindromic SubstringWatch
  3. 6Zigzag ConversionWatch
  4. 8String to Integer (atoi)Watch
  5. 10Regular Expression MatchingWatch
  6. 12Integer to RomanWatch
  7. 13Roman to IntegerWatch
  8. 14Longest Common PrefixWatch
  9. 17Letter Combinations of a Phone NumberWatch
  10. 20Valid ParenthesesWatch
  11. 22Generate ParenthesesWatch
  12. 28Find the Index of the First Occurrence in a StringWatch
  13. 30Substring with Concatenation of All WordsWatch
  14. 32Longest Valid ParenthesesWatch
  15. 38Count and SayWatch
  16. 43Multiply StringsWatch
  17. 44Wildcard MatchingWatch
  18. 49Group AnagramsWatch
  19. 58Length of Last WordWatch
  20. 65Valid NumberWatch
  21. 67Add BinaryWatch
  22. 68Text JustificationWatch
  23. 71Simplify PathWatch
  24. 72Edit DistanceWatch
  25. 76Minimum Window SubstringWatch
  26. 79Word SearchWatch
  27. 87Scramble StringWatch
  28. 91Decode WaysWatch
  29. 93Restore IP AddressesWatch
  30. 97Interleaving StringWatch
  31. 115Distinct SubsequencesWatch
  32. 125Valid PalindromeWatch
  33. 126Word Ladder IIWatch
  34. 127Word LadderWatch
  35. 131Palindrome PartitioningWatch
  36. 132Palindrome Partitioning IIWatch
  37. 139Word BreakWatch
  38. 140Word Break IIWatch
  39. 151Reverse Words in a StringWatch
  40. 159Longest Substring with At Most Two Distinct CharactersLocked
  41. 161One Edit DistanceLocked
  42. 165Compare Version NumbersWatch
  43. 166Fraction to Recurring DecimalWatch
  44. 168Excel Sheet Column TitleWatch
  45. 171Excel Sheet Column NumberWatch
  46. 179Largest NumberWatch
  47. 186Reverse Words in a String IILocked
  48. 187Repeated DNA SequencesWatch
  49. 205Isomorphic StringsWatch
  50. 208Implement Trie (Prefix Tree)Watch
  51. 211Design Add and Search Words Data StructureWatch
  52. 212Word Search IIWatch
  53. 214Shortest PalindromeWatch
  54. 224Basic CalculatorWatch
  55. 227Basic Calculator IIWatch
  56. 241Different Ways to Add ParenthesesWatch
  57. 242Valid AnagramWatch
  58. 243Shortest Word DistanceLocked
  59. 244Shortest Word Distance IILocked
  60. 245Shortest Word Distance IIILocked
  61. 246Strobogrammatic NumberLocked
  62. 247Strobogrammatic Number IILocked
  63. 248Strobogrammatic Number IIILocked
  64. 249Group Shifted StringsLocked
  65. 257Binary Tree PathsWatch
  66. 266Palindrome PermutationLocked
  67. 267Palindrome Permutation IILocked
  68. 269Alien DictionaryLocked
  69. 271Encode and Decode StringsLocked
  70. 273Integer to English WordsWatch
  71. 282Expression Add OperatorsWatch
  72. 288Unique Word AbbreviationLocked
  73. 290Word PatternWatch
  74. 291Word Pattern IILocked
  75. 293Flip GameLocked
  76. 297Serialize and Deserialize Binary TreeWatch
  77. 299Bulls and CowsWatch
  78. 301Remove Invalid ParenthesesWatch
  79. 306Additive NumberWatch
  80. 316Remove Duplicate LettersWatch
  81. 318Maximum Product of Word LengthsWatch
  82. 320Generalized AbbreviationLocked
  83. 331Verify Preorder Serialization of a Binary TreeWatch
  84. 332Reconstruct ItineraryWatch
  85. 336Palindrome PairsWatch
  86. 340Longest Substring with At Most K Distinct CharactersLocked
  87. 344Reverse StringWatch
  88. 345Reverse Vowels of a StringWatch
  89. 358Rearrange String k Distance ApartLocked
  90. 383Ransom NoteWatch
  91. 385Mini ParserWatch
  92. 387First Unique Character in a StringWatch
  93. 388Longest Absolute File PathWatch
  94. 389Find the DifferenceWatch
  95. 392Is SubsequenceWatch
  96. 394Decode StringWatch
  97. 395Longest Substring with At Least K Repeating CharactersWatch
  98. 399Evaluate DivisionWatch
  99. 402Remove K DigitsWatch
  100. 405Convert a Number to HexadecimalWatch
  101. 408Valid Word AbbreviationLocked
  102. 409Longest PalindromeWatch
  103. 411Minimum Unique Word AbbreviationLocked
  104. 412Fizz BuzzWatch
  105. 415Add StringsWatch
  106. 418Sentence Screen FittingLocked
  107. 420Strong Password CheckerWatch
  108. 423Reconstruct Original Digits from EnglishWatch
  109. 424Longest Repeating Character ReplacementWatch
  110. 425Word SquaresLocked
  111. 428Serialize and Deserialize N-ary TreeLocked
  112. 433Minimum Genetic MutationWatch
  113. 434Number of Segments in a StringWatch
  114. 438Find All Anagrams in a StringWatch
  115. 439Ternary Expression ParserLocked
  116. 443String CompressionWatch
  117. 449Serialize and Deserialize BSTWatch
  118. 451Sort Characters By FrequencyWatch
  119. 459Repeated Substring PatternWatch
  120. 466Count The RepetitionsWatch
  121. 467Unique Substrings in Wraparound StringWatch
  122. 468Validate IP AddressWatch
  123. 471Encode String with Shortest LengthLocked
  124. 472Concatenated WordsWatch
  125. 474Ones and ZeroesWatch
  126. 481Magical StringWatch
  127. 482License Key FormattingWatch
  128. 484Find PermutationLocked
  129. 488Zuma GameWatch
  130. 499The Maze IIILocked
  131. 500Keyboard RowWatch
  132. 504Base 7Watch
  133. 514Freedom TrailWatch
  134. 516Longest Palindromic SubsequenceWatch
  135. 520Detect CapitalWatch
  136. 521Longest Uncommon Subsequence IWatch
  137. 522Longest Uncommon Subsequence IIWatch
  138. 524Longest Word in Dictionary through DeletingWatch
  139. 527Word AbbreviationLocked
  140. 535Encode and Decode TinyURLWatch
  141. 536Construct Binary Tree from StringLocked
  142. 537Complex Number MultiplicationWatch
  143. 539Minimum Time DifferenceWatch
  144. 541Reverse String IIWatch
  145. 544Output Contest MatchesLocked
  146. 551Student Attendance Record IWatch
  147. 555Split Concatenated StringsLocked
  148. 556Next Greater Element IIIWatch
  149. 557Reverse Words in a String IIIWatch
  150. 564Find the Closest PalindromeWatch
  151. 567Permutation in StringWatch
  152. 572Subtree of Another TreeWatch
  153. 583Delete Operation for Two StringsWatch
  154. 588Design In-Memory File SystemLocked
  155. 591Tag ValidatorWatch
  156. 592Fraction Addition and SubtractionWatch
  157. 599Minimum Index Sum of Two ListsWatch
  158. 604Design Compressed String IteratorLocked
  159. 606Construct String from Binary TreeWatch
  160. 609Find Duplicate File in SystemWatch
  161. 616Add Bold Tag in StringLocked
  162. 631Design Excel Sum FormulaLocked
  163. 635Design Log Storage SystemLocked
  164. 639Decode Ways IIWatch
  165. 640Solve the EquationWatch
  166. 642Design Search Autocomplete SystemLocked
  167. 647Palindromic SubstringsWatch
  168. 648Replace WordsWatch
  169. 649Dota2 SenateWatch
  170. 657Robot Return to OriginWatch
  171. 664Strange PrinterWatch
  172. 676Implement Magic DictionaryWatch
  173. 677Map Sum PairsWatch
  174. 678Valid Parenthesis StringWatch
  175. 680Valid Palindrome IIWatch
  176. 681Next Closest TimeLocked
  177. 686Repeated String MatchWatch
  178. 691Stickers to Spell WordWatch
  179. 692Top K Frequent WordsWatch
  180. 696Count Binary SubstringsWatch
  181. 709To Lower CaseWatch
  182. 712Minimum ASCII Delete Sum for Two StringsWatch
  183. 720Longest Word in DictionaryWatch
  184. 721Accounts MergeWatch
  185. 722Remove CommentsWatch
  186. 726Number of AtomsWatch
  187. 727Minimum Window SubsequenceLocked
  188. 730Count Different Palindromic SubsequencesWatch
  189. 734Sentence SimilarityLocked
  190. 736Parse Lisp ExpressionWatch
  191. 737Sentence Similarity IILocked
  192. 745Prefix and Suffix SearchWatch
  193. 748Shortest Completing WordWatch
  194. 751IP to CIDRLocked
  195. 752Open the LockWatch
  196. 753Cracking the SafeWatch
  197. 756Pyramid Transition MatrixWatch
  198. 758Bold Words in StringLocked
  199. 761Special Binary StringWatch
  200. 763Partition LabelsWatch
  201. 767Reorganize StringWatch
  202. 770Basic Calculator IVWatch
  203. 771Jewels and StonesWatch
  204. 772Basic Calculator IIILocked
  205. 777Swap Adjacent in LR StringWatch
  206. 784Letter Case PermutationWatch
  207. 791Custom Sort StringWatch
  208. 792Number of Matching SubsequencesWatch
  209. 796Rotate StringWatch
  210. 800Similar RGB ColorLocked
  211. 804Unique Morse Code WordsWatch
  212. 806Number of Lines To Write StringWatch
  213. 809Expressive WordsWatch
  214. 811Subdomain Visit CountWatch
  215. 816Ambiguous CoordinatesWatch
  216. 819Most Common WordWatch
  217. 820Short Encoding of WordsWatch
  218. 821Shortest Distance to a CharacterWatch
  219. 824Goat LatinWatch
  220. 828Count Unique Characters of All Substrings of a Given StringWatch
  221. 830Positions of Large GroupsWatch
  222. 831Masking Personal InformationWatch
  223. 833Find And Replace in StringWatch
  224. 838Push DominoesWatch
  225. 839Similar String GroupsWatch
  226. 842Split Array into Fibonacci SequenceWatch
  227. 843Guess the WordWatch
  228. 844Backspace String CompareWatch
  229. 848Shifting LettersWatch
  230. 854K-Similar StringsWatch
  231. 856Score of ParenthesesWatch
  232. 859Buddy StringsWatch
  233. 880Decoded String at IndexWatch
  234. 884Uncommon Words from Two SentencesWatch
  235. 890Find and Replace PatternWatch
  236. 893Groups of Special-Equivalent StringsWatch
  237. 899Orderly QueueWatch
  238. 902Numbers At Most N Given Digit SetWatch
  239. 903Valid Permutations for DI SequenceWatch
  240. 906Super PalindromesWatch
  241. 916Word SubsetsWatch
  242. 917Reverse Only LettersWatch
  243. 921Minimum Add to Make Parentheses ValidWatch
  244. 925Long Pressed NameWatch
  245. 926Flip String to Monotone IncreasingWatch
  246. 929Unique Email AddressesWatch
  247. 936Stamping The SequenceWatch
  248. 937Reorder Data in Log FilesWatch
  249. 940Distinct Subsequences IIWatch
  250. 942DI String MatchWatch
  251. 943Find the Shortest SuperstringWatch
  252. 944Delete Columns to Make SortedWatch
  253. 949Largest Time for Given DigitsWatch
  254. 953Verifying an Alien DictionaryWatch
  255. 955Delete Columns to Make Sorted IIWatch
  256. 960Delete Columns to Make Sorted IIIWatch
  257. 966Vowel SpellcheckerWatch
  258. 972Equal Rational NumbersWatch
  259. 981Time Based Key-Value StoreWatch
  260. 984String Without AAA or BBBWatch
  261. 988Smallest String Starting From LeafWatch
  262. 990Satisfiability of Equality EquationsWatch
  263. 1002Find Common CharactersWatch
  264. 1003Check If Word Is Valid After SubstitutionsWatch
  265. 1016Binary String With Substrings Representing 1 To NWatch
  266. 1021Remove Outermost ParenthesesWatch
  267. 1023Camelcase MatchingWatch
  268. 1028Recover a Tree From Preorder TraversalWatch
  269. 1032Stream of CharactersWatch
  270. 1041Robot Bounded In CircleWatch
  271. 1044Longest Duplicate SubstringWatch
  272. 1047Remove All Adjacent Duplicates In StringWatch
  273. 1048Longest String ChainWatch
  274. 1055Shortest Way to Form StringLocked
  275. 1058Minimize Rounding Error to Meet TargetLocked
  276. 1061Lexicographically Smallest Equivalent StringWatch
  277. 1062Longest Repeating SubstringLocked
  278. 1065Index Pairs of a StringLocked
  279. 1071Greatest Common Divisor of StringsWatch
  280. 1078Occurrences After BigramWatch
  281. 1079Letter Tile PossibilitiesWatch
  282. 1081Smallest Subsequence of Distinct CharactersWatch
  283. 1087Brace ExpansionLocked
  284. 1092Shortest Common Supersequence Watch
  285. 1096Brace Expansion IIWatch
  286. 1100Find K-Length Substrings With No Repeated CharactersLocked
  287. 1106Parsing A Boolean ExpressionWatch
  288. 1108Defanging an IP AddressWatch
  289. 1111Maximum Nesting Depth of Two Valid Parentheses StringsWatch
  290. 1119Remove Vowels from a StringLocked
  291. 1138Alphabet Board PathWatch
  292. 1143Longest Common SubsequenceWatch
  293. 1147Longest Chunked Palindrome DecompositionWatch
  294. 1152Analyze User Website Visit PatternLocked
  295. 1153String Transforms Into Another StringLocked
  296. 1154Day of the YearWatch
  297. 1156Swap For Longest Repeated Character SubstringWatch
  298. 1160Find Words That Can Be Formed by CharactersWatch
  299. 1163Last Substring in Lexicographical OrderWatch
  300. 1165Single-Row KeyboardLocked
  301. 1166Design File SystemLocked
  302. 1169Invalid TransactionsWatch
  303. 1170Compare Strings by Frequency of the Smallest CharacterWatch
  304. 1177Can Make Palindrome from SubstringWatch
  305. 1178Number of Valid Words for Each PuzzleWatch
  306. 1180Count Substrings with Only One Distinct LetterLocked
  307. 1181Before and After PuzzleLocked
  308. 1189Maximum Number of BalloonsWatch
  309. 1190Reverse Substrings Between Each Pair of ParenthesesWatch
  310. 1202Smallest String With SwapsWatch
  311. 1208Get Equal Substrings Within BudgetWatch
  312. 1209Remove All Adjacent Duplicates in String IIWatch
  313. 1216Valid Palindrome IIILocked
  314. 1221Split a String in Balanced StringsWatch
  315. 1233Remove Sub-Folders from the FilesystemWatch
  316. 1234Replace the Substring for Balanced StringWatch
  317. 1236Web CrawlerLocked
  318. 1239Maximum Length of a Concatenated String with Unique CharactersWatch
  319. 1247Minimum Swaps to Make Strings EqualWatch
  320. 1249Minimum Remove to Make Valid ParenthesesWatch
  321. 1255Maximum Score Words Formed by LettersWatch
  322. 1256Encode NumberLocked
  323. 1257Smallest Common RegionLocked
  324. 1258Synonymous SentencesLocked
  325. 1268Search Suggestions SystemWatch
  326. 1271HexspeakLocked
  327. 1278Palindrome Partitioning IIIWatch
  328. 1286Iterator for CombinationWatch
  329. 1297Maximum Number of Occurrences of a SubstringWatch
  330. 1307Verbal Arithmetic PuzzleWatch
  331. 1309Decrypt String from Alphabet to Integer MappingWatch
  332. 1312Minimum Insertion Steps to Make a String PalindromeWatch
  333. 1316Distinct Echo SubstringsWatch
  334. 1320Minimum Distance to Type a Word Using Two FingersWatch
  335. 1324Print Words VerticallyWatch
  336. 1328Break a PalindromeWatch
  337. 1332Remove Palindromic SubsequencesWatch
  338. 1347Minimum Number of Steps to Make Two Strings AnagramWatch
  339. 1348Tweet Counts Per FrequencyWatch
  340. 1358Number of Substrings Containing All Three CharactersWatch
  341. 1360Number of Days Between Two DatesWatch
  342. 1366Rank Teams by VotesWatch
  343. 1370Increasing Decreasing StringWatch
  344. 1371Find the Longest Substring Containing Vowels in Even CountsWatch
  345. 1374Generate a String With Characters That Have Odd CountsWatch
  346. 1392Longest Happy PrefixWatch
  347. 1396Design Underground SystemWatch
  348. 1397Find All Good StringsWatch
  349. 1400Construct K Palindrome StringsWatch
  350. 1404Number of Steps to Reduce a Number in Binary Representation to OneWatch
  351. 1405Longest Happy StringWatch
  352. 1408String Matching in an ArrayWatch
  353. 1410HTML Entity ParserWatch
  354. 1415The k-th Lexicographical String of All Happy Strings of Length nWatch
  355. 1416Restore The ArrayWatch
  356. 1417Reformat The StringWatch
  357. 1418Display Table of Food Orders in a RestaurantWatch
  358. 1419Minimum Number of Frogs CroakingWatch
  359. 1422Maximum Score After Splitting a StringWatch
  360. 1427Perform String ShiftsLocked
  361. 1433Check If a String Can Break Another StringWatch
  362. 1436Destination CityWatch
  363. 1446Consecutive CharactersWatch
  364. 1447Simplified FractionsWatch
  365. 1451Rearrange Words in a SentenceWatch
  366. 1452People Whose List of Favorite Companies Is Not a Subset of Another ListWatch
  367. 1455Check If a Word Occurs As a Prefix of Any Word in a SentenceWatch
  368. 1456Maximum Number of Vowels in a Substring of Given LengthWatch
  369. 1461Check If a String Contains All Binary Codes of Size KWatch
  370. 1487Making File Names UniqueWatch
  371. 1496Path CrossingWatch
  372. 1505Minimum Possible Integer After at Most K Adjacent Swaps On DigitsWatch
  373. 1507Reformat DateWatch
  374. 1513Number of Substrings With Only 1sWatch
  375. 1520Maximum Number of Non-Overlapping SubstringsWatch
  376. 1525Number of Good Ways to Split a StringWatch
  377. 1528Shuffle StringWatch
  378. 1529Minimum Suffix FlipsWatch
  379. 1531String Compression IIWatch
  380. 1540Can Convert String in K MovesWatch
  381. 1541Minimum Insertions to Balance a Parentheses StringWatch
  382. 1542Find Longest Awesome SubstringWatch
  383. 1544Make The String GreatWatch
  384. 1545Find Kth Bit in Nth Binary StringWatch
  385. 1548The Most Similar Path in a GraphLocked
  386. 1554Strings Differ by One CharacterLocked
  387. 1556Thousand SeparatorWatch
  388. 1573Number of Ways to Split a StringWatch
  389. 1576Replace All ?'s to Avoid Consecutive Repeating CharactersWatch
  390. 1578Minimum Time to Make Rope ColorfulWatch
  391. 1585Check If String Is Transformable With Substring Sort OperationsWatch
  392. 1592Rearrange Spaces Between WordsWatch
  393. 1593Split a String Into the Max Number of Unique SubstringsWatch
  394. 1597Build Binary Expression Tree From Infix ExpressionLocked
  395. 1598Crawler Log FolderWatch
  396. 1604Alert Using Same Key-Card Three or More Times in a One Hour PeriodWatch
  397. 1614Maximum Nesting Depth of the ParenthesesWatch
  398. 1616Split Two Strings to Make PalindromeWatch
  399. 1618Maximum Font to Fit a Sentence in a ScreenLocked
  400. 1624Largest Substring Between Two Equal CharactersWatch
  401. 1625Lexicographically Smallest String After Applying OperationsWatch
  402. 1629Slowest KeyWatch
  403. 1638Count Substrings That Differ by One CharacterWatch
  404. 1639Number of Ways to Form a Target String Given a DictionaryWatch
  405. 1647Minimum Deletions to Make Character Frequencies UniqueWatch
  406. 1653Minimum Deletions to Make String BalancedWatch
  407. 1657Determine if Two Strings Are CloseWatch
  408. 1662Check If Two String Arrays are EquivalentWatch
  409. 1663Smallest String With A Given Numeric ValueWatch
  410. 1668Maximum Repeating SubstringWatch
  411. 1678Goal Parser InterpretationWatch
  412. 1682Longest Palindromic Subsequence IILocked
  413. 1684Count the Number of Consistent StringsWatch
  414. 1689Partitioning Into Minimum Number Of Deci-Binary NumbersWatch
  415. 1694Reformat Phone NumberWatch
  416. 1698Number of Distinct Substrings in a StringLocked
  417. 1702Maximum Binary String After ChangeWatch
  418. 1704Determine if String Halves Are AlikeWatch
  419. 1717Maximum Score From Removing SubstringsWatch
  420. 1736Latest Time by Replacing Hidden DigitsWatch
  421. 1737Change Minimum Characters to Satisfy One of Three ConditionsWatch
  422. 1745Palindrome Partitioning IVWatch
  423. 1750Minimum Length of String After Deleting Similar EndsWatch
  424. 1754Largest Merge Of Two StringsWatch
  425. 1758Minimum Changes To Make Alternating Binary StringWatch
  426. 1759Count Number of Homogenous SubstringsWatch
  427. 1763Longest Nice SubstringWatch
  428. 1764Form Array by Concatenating Subarrays of Another ArrayWatch
  429. 1768Merge Strings AlternatelyWatch
  430. 1769Minimum Number of Operations to Move All Balls to Each BoxWatch
  431. 1771Maximize Palindrome Length From SubsequencesWatch
  432. 1772Sort Features by PopularityLocked
  433. 1773Count Items Matching a RuleWatch
  434. 1781Sum of Beauty of All SubstringsWatch
  435. 1784Check if Binary String Has at Most One Segment of OnesWatch
  436. 1790Check if One String Swap Can Make Strings EqualWatch
  437. 1794Count Pairs of Equal Substrings With Minimum DifferenceLocked
  438. 1796Second Largest Digit in a StringWatch
  439. 1804Implement Trie II (Prefix Tree)Locked
  440. 1805Number of Different Integers in a StringWatch
  441. 1807Evaluate the Bracket Pairs of a StringWatch
  442. 1812Determine Color of a Chessboard SquareWatch
  443. 1813Sentence Similarity IIIWatch
  444. 1816Truncate SentenceWatch
  445. 1830Minimum Number of Operations to Make String SortedWatch
  446. 1832Check if the Sentence Is PangramWatch
  447. 1839Longest Substring Of All Vowels in OrderWatch
  448. 1842Next Palindrome Using Same DigitsLocked
  449. 1844Replace All Digits with CharactersWatch
  450. 1849Splitting a String Into Descending Consecutive ValuesWatch
  451. 1850Minimum Adjacent Swaps to Reach the Kth Smallest NumberWatch
  452. 1857Largest Color Value in a Directed GraphWatch
  453. 1858Longest Word With All PrefixesLocked
  454. 1859Sorting the SentenceWatch
  455. 1864Minimum Number of Swaps to Make the Binary String AlternatingWatch
  456. 1869Longer Contiguous Segments of Ones than ZerosWatch
  457. 1871Jump Game VIIWatch
  458. 1876Substrings of Size Three with Distinct CharactersWatch
  459. 1880Check if Word Equals Summation of Two WordsWatch
  460. 1881Maximum Value after InsertionWatch
  461. 1888Minimum Number of Flips to Make the Binary String AlternatingWatch
  462. 1896Minimum Cost to Change the Final Value of ExpressionWatch
  463. 1897Redistribute Characters to Make All Strings EqualWatch
  464. 1898Maximum Number of Removable CharactersWatch
  465. 1903Largest Odd Number in StringWatch
  466. 1904The Number of Full Rounds You Have PlayedWatch
  467. 1910Remove All Occurrences of a SubstringWatch
  468. 1915Number of Wonderful SubstringsWatch
  469. 1923Longest Common SubpathWatch
  470. 1927Sum GameWatch
  471. 1930Unique Length-3 Palindromic SubsequencesWatch
  472. 1933Check if String Is Decomposable Into Value-Equal SubstringsLocked
  473. 1935Maximum Number of Words You Can TypeWatch
  474. 1941Check if All Characters Have Equal Number of OccurrencesWatch
  475. 1945Sum of Digits of String After ConvertWatch
  476. 1946Largest Number After Mutating SubstringWatch
  477. 1948Delete Duplicate Folders in SystemWatch
  478. 1957Delete Characters to Make Fancy StringWatch
  479. 1960Maximum Product of the Length of Two Palindromic SubstringsWatch
  480. 1961Check If String Is a Prefix of ArrayWatch
  481. 1963Minimum Number of Swaps to Make the String BalancedWatch
  482. 1967Number of Strings That Appear as Substrings in WordWatch
  483. 1974Minimum Time to Type Word Using Special TypewriterWatch
  484. 1977Number of Ways to Separate NumbersWatch
  485. 1980Find Unique Binary StringWatch
  486. 1985Find the Kth Largest Integer in the ArrayWatch
  487. 1987Number of Unique Good SubsequencesWatch
  488. 2000Reverse Prefix of WordWatch
  489. 2002Maximum Product of the Length of Two Palindromic SubsequencesWatch
  490. 2011Final Value of Variable After Performing OperationsWatch
  491. 2014Longest Subsequence Repeated k TimesWatch
  492. 2019The Score of Students Solving Math ExpressionWatch
  493. 2023Number of Pairs of Strings With Concatenation Equal to TargetWatch
  494. 2024Maximize the Confusion of an ExamWatch
  495. 2027Minimum Moves to Convert StringWatch
  496. 2030Smallest K-Length Subsequence With Occurrences of a LetterWatch
  497. 2038Remove Colored Pieces if Both Neighbors are the Same ColorWatch
  498. 2042Check if Numbers Are Ascending in a SentenceWatch
  499. 2047Number of Valid Words in a SentenceWatch
  500. 2052Minimum Cost to Separate Sentence Into RowsLocked
  501. 2053Kth Distinct String in an ArrayWatch
  502. 2055Plates Between CandlesWatch
  503. 2056Number of Valid Move Combinations On ChessboardWatch
  504. 2060Check if an Original String Exists Given Two Encoded StringsWatch
  505. 2062Count Vowel Substrings of a StringWatch
  506. 2063Vowels of All SubstringsWatch
  507. 2067Number of Equal Count SubstringsLocked
  508. 2068Check Whether Two Strings are Almost EquivalentWatch
  509. 2075Decode the Slanted CiphertextWatch
  510. 2083Substrings That Begin and End With the Same LetterLocked
  511. 2085Count Common Words With One OccurrenceWatch
  512. 2086Minimum Number of Food Buckets to Feed the HamstersWatch
  513. 2096Step-By-Step Directions From a Binary Tree Node to AnotherWatch
  514. 2103Rings and RodsWatch
  515. 2108Find First Palindromic String in the ArrayWatch
  516. 2109Adding Spaces to a StringWatch
  517. 2114Maximum Number of Words Found in SentencesWatch
  518. 2115Find All Possible Recipes from Given SuppliesWatch
  519. 2116Check if a Parentheses String Can Be ValidWatch
  520. 2120Execution of All Suffix Instructions Staying in a GridWatch
  521. 2124Check if All A's Appears Before All B'sWatch
  522. 2125Number of Laser Beams in a BankWatch
  523. 2129Capitalize the TitleWatch
  524. 2131Longest Palindrome by Concatenating Two Letter WordsWatch
  525. 2135Count Words Obtained After Adding a LetterWatch
  526. 2138Divide a String Into Groups of Size kWatch
  527. 2147Number of Ways to Divide a Long CorridorWatch
  528. 2156Find Substring With Given Hash ValueWatch
  529. 2157Groups of StringsWatch
  530. 2166Design BitsetWatch
  531. 2167Minimum Time to Remove All Cars Containing Illegal GoodsWatch
  532. 2168Unique Substrings With Equal Digit FrequencyLocked
  533. 2182Construct String With Repeat LimitWatch
  534. 2185Counting Words With a Given PrefixWatch
  535. 2186Minimum Number of Steps to Make Two Strings Anagram IIWatch
  536. 2193Minimum Number of Moves to Make PalindromeWatch
  537. 2194Cells in a Range on an Excel SheetWatch
  538. 2207Maximize Number of Subsequences in a StringWatch
  539. 2209Minimum White Tiles After Covering With CarpetsWatch
  540. 2211Count Collisions on a RoadWatch
  541. 2213Longest Substring of One Repeating CharacterWatch
  542. 2222Number of Ways to Select BuildingsWatch
  543. 2223Sum of Scores of Built StringsWatch
  544. 2224Minimum Number of Operations to Convert TimeWatch
  545. 2227Encrypt and Decrypt StringsWatch
  546. 2232Minimize Result by Adding Parentheses to ExpressionWatch
  547. 2243Calculate Digit Sum of a StringWatch
  548. 2246Longest Path With Different Adjacent CharactersWatch
  549. 2255Count Prefixes of a Given StringWatch
  550. 2259Remove Digit From Number to Maximize ResultWatch
  551. 2262Total Appeal of A StringWatch
  552. 2264Largest 3-Same-Digit Number in StringWatch
  553. 2266Count Number of TextsWatch
  554. 2268Minimum Number of KeypressesLocked
  555. 2269Find the K-Beauty of a NumberWatch
  556. 2272Substring With Largest VarianceWatch
  557. 2273Find Resultant Array After Removing AnagramsWatch
  558. 2278Percentage of Letter in StringWatch
  559. 2283Check if Number Has Equal Digit Count and Digit ValueWatch
  560. 2284Sender With Largest Word CountWatch
  561. 2287Rearrange Characters to Make Target StringWatch
  562. 2288Apply Discount to PricesWatch
  563. 2296Design a Text EditorWatch
  564. 2299Strong Password Checker IIWatch
  565. 2301Match Substring After ReplacementWatch
  566. 2306Naming a CompanyWatch
  567. 2307Check for Contradictions in EquationsLocked
  568. 2309Greatest English Letter in Upper and Lower CaseWatch
  569. 2311Longest Binary Subsequence Less Than or Equal to KWatch
  570. 2315Count AsterisksWatch
  571. 2325Decode the MessageWatch
  572. 2330Valid Palindrome IVLocked
  573. 2337Move Pieces to Obtain a StringWatch
  574. 2343Query Kth Smallest Trimmed NumberWatch
  575. 2351First Letter to Appear TwiceWatch
  576. 2353Design a Food Rating SystemWatch
  577. 2370Longest Ideal SubsequenceWatch
  578. 2375Construct Smallest Number From DI StringWatch
  579. 2379Minimum Recolors to Get K Consecutive Black BlocksWatch
  580. 2380Time Needed to Rearrange a Binary StringWatch
  581. 2381Shifting Letters IIWatch
  582. 2384Largest Palindromic NumberWatch
  583. 2390Removing Stars From a StringWatch
  584. 2391Minimum Amount of Time to Collect GarbageWatch
  585. 2399Check Distances Between Same LettersWatch
  586. 2405Optimal Partition of StringWatch
  587. 2408Design SQLWatch
  588. 2409Count Days Spent TogetherWatch
  589. 2414Length of the Longest Alphabetical Continuous SubstringWatch
  590. 2416Sum of Prefix Scores of StringsWatch
  591. 2418Sort the PeopleWatch
  592. 2423Remove Letter To Equalize FrequencyWatch
  593. 2430Maximum Deletions on a StringWatch
  594. 2434Using a Robot to Print the Lexicographically Smallest StringWatch
  595. 2437Number of Valid Clock TimesWatch
  596. 2446Determine if Two Events Have ConflictWatch
  597. 2450Number of Distinct Binary Strings After Applying OperationsLocked
  598. 2451Odd String DifferenceWatch
  599. 2452Words Within Two Edits of DictionaryWatch
  600. 2456Most Popular Video CreatorWatch
  601. 2468Split Message Based on LimitWatch
  602. 2472Maximum Number of Non-overlapping Palindrome SubstringsWatch
  603. 2478Number of Beautiful PartitionsWatch
  604. 2483Minimum Penalty for a ShopWatch
  605. 2484Count Palindromic SubsequencesWatch
  606. 2486Append Characters to String to Make SubsequenceWatch
  607. 2489Number of Substrings With Fixed RatioLocked
  608. 2490Circular SentenceWatch
  609. 2496Maximum Value of a String in an ArrayWatch
  610. 2506Count Pairs Of Similar StringsWatch
  611. 2512Reward Top K StudentsWatch
  612. 2514Count AnagramsWatch
  613. 2515Shortest Distance to Target String in a Circular ArrayWatch
  614. 2516Take K of Each Character From Left and RightWatch
  615. 2522Partition String Into Substrings With Values at Most KWatch
  616. 2531Make Number of Distinct Characters EqualWatch
  617. 2539Count the Number of Good SubsequencesLocked
  618. 2546Apply Bitwise Operations to Make Strings EqualWatch
  619. 2559Count Vowel Strings in RangesWatch
  620. 2564Substring XOR QueriesWatch
  621. 2565Subsequence With the Minimum ScoreWatch
  622. 2573Find the String with LCPWatch
  623. 2575Find the Divisibility Array of a StringWatch
  624. 2586Count the Number of Vowel Strings in RangeWatch
  625. 2590Design a Todo ListLocked
  626. 2606Find the Substring With Maximum CostWatch
  627. 2609Find the Longest Balanced Substring of a Binary StringWatch
  628. 2645Minimum Additions to Make Valid StringWatch
  629. 2663Lexicographically Smallest Beautiful StringWatch
  630. 2678Number of Senior CitizensWatch
  631. 2696Minimum String Length After Removing SubstringsWatch
  632. 2697Lexicographically Smallest PalindromeWatch
  633. 2707Extra Characters in a StringWatch
  634. 2710Remove Trailing Zeros From a StringWatch
  635. 2712Minimum Cost to Make All Characters EqualWatch
  636. 2716Minimize String LengthWatch
  637. 2719Count of IntegersWatch
  638. 2730Find the Longest Semi-Repetitive SubstringWatch
  639. 2734Lexicographically Smallest String After Substring OperationWatch
  640. 2743Count Substrings Without Repeating CharacterLocked
  641. 2744Find Maximum Number of String PairsWatch
  642. 2746Decremental String ConcatenationWatch
  643. 2767Partition String Into Minimum Beautiful SubstringsWatch
  644. 2781Length of the Longest Valid SubstringWatch
  645. 2785Sort Vowels in a StringWatch
  646. 2788Split Strings by SeparatorWatch
  647. 2800Shortest String That Contains Three StringsWatch
  648. 2801Count Stepping Numbers in RangeWatch
  649. 2802Find The K-th Lucky NumberLocked
  650. 2810Faulty KeyboardWatch
  651. 2825Make String a Subsequence Using Cyclic IncrementsWatch
  652. 2828Check if a String Is an Acronym of WordsWatch
  653. 2833Furthest Point From OriginWatch
  654. 2839Check if Strings Can be Made Equal With Operations IWatch
  655. 2840Check if Strings Can be Made Equal With Operations IIWatch
  656. 2842Count K-Subsequences of a String With Maximum BeautyWatch
  657. 2844Minimum Operations to Make a Special NumberWatch
  658. 2851String TransformationWatch
  659. 2864Maximum Odd Binary NumberWatch
  660. 2868The Wording GameLocked
  661. 2896Apply Operations to Make Two Strings EqualWatch
  662. 2900Longest Unequal Adjacent Groups Subsequence IWatch
  663. 2901Longest Unequal Adjacent Groups Subsequence IIWatch
  664. 2904Shortest and Lexicographically Smallest Beautiful StringWatch
  665. 2911Minimum Changes to Make K Semi-palindromesWatch
  666. 2914Minimum Number of Changes to Make Binary String BeautifulWatch
  667. 2933High-Access EmployeesWatch
  668. 2937Make Three Strings EqualWatch
  669. 2938Separate Black and White BallsWatch
  670. 2942Find Words Containing CharacterWatch
  671. 2947Count Beautiful Substrings IWatch
  672. 2949Count Beautiful Substrings IIWatch
  673. 2950Number of Divisible SubstringsLocked
  674. 2953Count Complete SubstringsWatch
  675. 2955Number of Same-End SubstringsLocked
  676. 2957Remove Adjacent Almost-Equal CharactersWatch
  677. 2976Minimum Cost to Convert String IWatch
  678. 2977Minimum Cost to Convert String IIWatch
  679. 2981Find Longest Special Substring That Occurs Thrice IWatch
  680. 2982Find Longest Special Substring That Occurs Thrice IIWatch
  681. 2983Palindrome Rearrangement QueriesWatch
  682. 2999Count the Number of Powerful IntegersWatch
  683. 3003Maximize the Number of Partitions After OperationsWatch
  684. 3006Find Beautiful Indices in the Given Array IWatch
  685. 3008Find Beautiful Indices in the Given Array IIWatch
  686. 3014Minimum Number of Pushes to Type Word IWatch
  687. 3016Minimum Number of Pushes to Type Word IIWatch
  688. 3019Number of Changing KeysWatch
  689. 3023Find Pattern in Infinite Stream ILocked
  690. 3029Minimum Time to Revert Word to Initial State IWatch
  691. 3031Minimum Time to Revert Word to Initial State IIWatch
  692. 3034Number of Subarrays That Match a Pattern IWatch
  693. 3035Maximum Palindromes After OperationsWatch
  694. 3036Number of Subarrays That Match a Pattern IIWatch
  695. 3037Find Pattern in Infinite Stream IILocked
  696. 3042Count Prefix and Suffix Pairs IWatch
  697. 3043Find the Length of the Longest Common PrefixWatch
  698. 3045Count Prefix and Suffix Pairs IIWatch
  699. 3076Shortest Uncommon Substring in an ArrayWatch
  700. 3078Match Alphanumerical Pattern in Matrix ILocked
  701. 3081Replace Question Marks in String to Minimize Its ValueWatch
  702. 3083Existence of a Substring in a String and Its ReverseWatch
  703. 3084Count Substrings Starting and Ending with Given CharacterWatch
  704. 3085Minimum Deletions to Make String K-SpecialWatch
  705. 3088Make String Anti-palindromeLocked
  706. 3090Maximum Length Substring With Two OccurrencesWatch
  707. 3093Longest Common Suffix QueriesWatch
  708. 3104Find Longest Self-Contained SubstringLocked
  709. 3106Lexicographically Smallest String After Operations With ConstraintWatch
  710. 3110Score of a StringWatch
  711. 3114Latest Time You Can Obtain After Replacing CharactersWatch
  712. 3119Maximum Number of Potholes That Can Be FixedLocked
  713. 3120Count the Number of Special Characters IWatch
  714. 3121Count the Number of Special Characters IIWatch
  715. 3125Maximum Number That Makes Result of Bitwise AND ZeroLocked
  716. 3135Equalize Strings by Adding or Removing Characters at EndsLocked
  717. 3136Valid WordWatch
  718. 3137Minimum Number of Operations to Make Word K-PeriodicWatch
  719. 3138Minimum Length of Anagram ConcatenationWatch
  720. 3143Maximum Points Inside the SquareWatch
  721. 3144Minimum Substring Partition of Equal Character FrequencyWatch
  722. 3146Permutation Difference between Two StringsWatch
  723. 3163String Compression IIIWatch
  724. 3167Better Compression of StringLocked
  725. 3168Minimum Number of Chairs in a Waiting RoomWatch
  726. 3170Lexicographically Minimum String After Removing StarsWatch
  727. 3174Clear DigitsWatch
  728. 3210Find the Encrypted StringWatch
  729. 3211Generate Binary Strings Without Adjacent ZerosWatch
  730. 3213Construct String with Minimum CostWatch
  731. 3216Lexicographically Smallest String After a SwapWatch
  732. 3223Minimum Length of String After OperationsWatch
  733. 3227Vowels Game in a StringWatch
  734. 3228Maximum Number of Operations to Move Ones to the EndWatch
  735. 3234Count the Number of Substrings With Dominant OnesWatch
  736. 3248Snake in MatrixWatch
  737. 3258Count Substrings That Satisfy K-Constraint IWatch
  738. 3260Find the Largest Palindrome Divisible by KWatch
  739. 3261Count Substrings That Satisfy K-Constraint IIWatch
  740. 3271Hash Divided StringWatch
  741. 3274Check if Two Chessboard Squares Have the Same ColorWatch
  742. 3279Maximum Total Area Occupied by PistonsLocked
  743. 3280Convert Date to BinaryWatch
  744. 3291Minimum Number of Valid Strings to Form Target IWatch
  745. 3292Minimum Number of Valid Strings to Form Target IIWatch
  746. 3295Report Spam MessageWatch
  747. 3297Count Substrings That Can Be Rearranged to Contain a String IWatch
  748. 3298Count Substrings That Can Be Rearranged to Contain a String IIWatch
  749. 3302Find the Lexicographically Smallest Valid SequenceWatch
  750. 3303Find the Occurrence of First Almost Equal SubstringWatch
  751. 3305Count of Substrings Containing Every Vowel and K Consonants IWatch
  752. 3306Count of Substrings Containing Every Vowel and K Consonants IIWatch
  753. 3316Find Maximum Removals From Source StringWatch
  754. 3320Count The Number of Winning SequencesWatch
  755. 3324Find the Sequence of Strings Appeared on the ScreenWatch
  756. 3325Count Substrings With K-Frequency Characters IWatch
  757. 3327Check if DFS Strings Are PalindromesWatch
  758. 3329Count Substrings With K-Frequency Characters IILocked
  759. 3330Find the Original Typed String IWatch
  760. 3331Find Subtree Sizes After ChangesWatch
  761. 3333Find the Original Typed String IIWatch
  762. 3335Total Characters in String After Transformations IWatch
  763. 3337Total Characters in String After Transformations IIWatch
  764. 3340Check Balanced StringWatch
  765. 3343Count Number of Balanced PermutationsWatch
  766. 3348Smallest Divisible Digit Product IIWatch
  767. 3352Count K-Reducible Numbers Less Than NWatch
  768. 3361Shift Distance Between Two StringsWatch
  769. 3365Rearrange K Substrings to Form Target StringWatch
  770. 3387Maximize Amount After Two Days of ConversionsWatch
  771. 3389Minimum Operations to Make Character Frequencies EqualWatch
  772. 3399Smallest Substring With Identical Characters IIWatch
  773. 3403Find the Lexicographically Largest String From the Box IWatch
  774. 3406Find the Lexicographically Largest String From the Box IILocked
  775. 3407Substring Matching PatternWatch
  776. 3412Find Mirror Score of a StringWatch
  777. 3435Frequencies of Shortest SupersequencesWatch
  778. 3438Find Valid Pair of Adjacent Digits in StringWatch
  779. 3441Minimum Cost Good CaptionWatch
  780. 3442Maximum Difference Between Even and Odd Frequency IWatch
  781. 3443Maximum Manhattan Distance After K ChangesWatch
  782. 3445Maximum Difference Between Even and Odd Frequency IIWatch
  783. 3448Count Substrings Divisible By Last DigitWatch
  784. 3455Shortest Matching SubstringWatch
  785. 3456Find Special Substring of Length KWatch
  786. 3458Select K Disjoint Special SubstringsWatch
  787. 3460Longest Common Prefix After at Most One RemovalLocked
  788. 3461Check If Digits Are Equal in String After Operations IWatch
  789. 3463Check If Digits Are Equal in String After Operations IIWatch
  790. 3472Longest Palindromic Subsequence After at Most K OperationsWatch
  791. 3474Lexicographically Smallest Generated StringWatch
  792. 3481Apply SubstitutionsLocked
  793. 3484Design SpreadsheetWatch
  794. 3485Longest Common Prefix of K Strings After RemovalWatch
  795. 3491Phone Number PrefixLocked
  796. 3498Reverse Degree of a StringWatch
  797. 3499Maximize Active Section with Trade IWatch
  798. 3501Maximize Active Section with Trade IIWatch
  799. 3503Longest Palindrome After Substring Concatenation IWatch
  800. 3504Longest Palindrome After Substring Concatenation IIWatch
  801. 3517Smallest Palindromic Rearrangement IWatch
  802. 3518Smallest Palindromic Rearrangement IIWatch
  803. 3519Count Numbers with Non-Decreasing Digits Watch
  804. 3522Calculate Score After Performing InstructionsWatch
  805. 3527Find the Most Common ResponseWatch
  806. 3529Count Cells in Overlapping Horizontal and Vertical SubstringsWatch
  807. 3541Find Most Frequent Vowel and ConsonantWatch
  808. 3545Minimum Deletions for At Most K Distinct CharactersWatch
  809. 3556Sum of Largest Prime SubstringsWatch
  810. 3557Find Maximum Number of Non Intersecting SubstringsWatch
  811. 3561Resulting String After Adjacent RemovalsWatch
  812. 3563Lexicographically Smallest String After Adjacent RemovalsWatch
  813. 3571Find the Shortest Superstring IILocked
  814. 3579Minimum Steps to Convert String with OperationsWatch
  815. 3581Count Odd Letters from NumberLocked
  816. 3582Generate Tag for Video CaptionWatch
  817. 3597Partition String Watch
  818. 3598Longest Common Prefix Between Adjacent Strings After RemovalsWatch
  819. 3602Hexadecimal and Hexatrigesimal ConversionWatch
  820. 3606Coupon Code ValidatorWatch
  821. 3612Process String with Special Operations IWatch
  822. 3614Process String with Special Operations IIWatch
  823. 3615Longest Palindromic Path in GraphWatch
  824. 3628Maximum Number of Subsequences After One InsertingWatch
  825. 3662Filter Characters by FrequencyLocked
  826. 3664Two-Letter Card GameWatch
  827. 3666Minimum Operations to Equalize Binary StringWatch
  828. 3675Minimum Operations to Transform StringWatch
  829. 3692Majority Frequency CharactersWatch
  830. 3694Distinct Points Reachable After Substring RemovalWatch
  831. 3696Maximum Distance Between Unequal Words in Array ILocked
  832. 3703Remove K-Balanced SubstringsWatch
  833. 3706Maximum Distance Between Unequal Words in Array IILocked
  834. 3707Equal Score SubstringsWatch
  835. 3713Longest Balanced Substring IWatch
  836. 3714Longest Balanced Substring IIWatch
  837. 3720Lexicographically Smallest Permutation Greater Than TargetWatch
  838. 3734Lexicographically Smallest Palindromic Permutation Greater Than TargetWatch
  839. 3735Lexicographically Smallest String After Reverse IILocked
  840. 3744Find Kth Character in Expanded StringLocked
  841. 3746Minimum String Length After Balanced RemovalsWatch
  842. 3749Evaluate Valid ExpressionsLocked
  843. 3750Minimum Number of Flips to Reverse Binary StringWatch
  844. 3756Concatenate Non-Zero Digits and Multiply by Sum IIWatch
  845. 3758Convert Number Words to DigitsLocked
  846. 3760Maximum Substrings With Distinct StartWatch
  847. 3773Maximum Number of Equal Length RunsLocked
  848. 3775Reverse Words With Same Vowel CountWatch
  849. 3777Minimum Deletions to Make Alternating SubstringWatch
  850. 3781Maximum Score After Binary SwapsWatch
  851. 3784Minimum Deletion Cost to Make All Characters EqualWatch
  852. 3794Reverse String PrefixWatch
  853. 3798Largest Even NumberWatch
  854. 3799Word Squares IIWatch
  855. 3800Minimum Cost to Make Two Binary Strings EqualWatch
  856. 3803Count Residue PrefixesWatch
  857. 3805Count Caesar Cipher PairsWatch
  858. 3813Vowel-Consonant ScoreWatch
  859. 3816Lexicographically Smallest String After Deleting Duplicate CharactersWatch
  860. 3817Good Indices in a Digit StringLocked
  861. 3823Reverse Letters Then Special Characters in a StringWatch
  862. 3838Weighted Word MappingWatch
  863. 3839Number of Prefix Connected GroupsWatch
  864. 3841Palindromic Path Queries in a TreeWatch
  865. 3844Longest Almost-Palindromic SubstringWatch
  866. 3846Total Distance to Type a String Using One FingerLocked
  867. 3849Maximum Bitwise XOR After RearrangementWatch
  868. 3853Merge Close CharactersWatch
  869. 3856Trim Trailing VowelsWatch
  870. 3860Unique Email GroupsLocked
  871. 3863Minimum Operations to Sort a StringWatch
  872. 3864Minimum Cost to Partition a Binary StringWatch
  873. 3884First Matching Character From Both EndsWatch
  874. 3889Mirror Frequency DistanceWatch
  875. 3894Traffic Signal ColorWatch
  876. 3900Longest Balanced Substring After One SwapWatch
  877. 3913Sort Vowels by FrequencyWatch
  878. 3921Score ValidatorWatch
  879. 3922Minimum Flips to Make Binary String CoherentWatch
  880. 3926Count Valid Word OccurrencesWatch
  881. 3931Check Adjacent Digit DifferencesWatch
  882. 3934Smallest Unique SubarrayWatch
  883. 3941Password StrengthWatch
  884. 3952Maximum Total Value of Covered IndicesWatch
  885. 3955Valid Binary Strings With Cost LimitWatch
  886. 3968Maximum Manhattan Distance After All MovesWatch
  887. 3970Shortest Path With At Most K Consecutive Identical CharactersWatch
  888. 3980Minimum Operations to Transform Binary StringWatch
  889. 3981Count Distinct Ways to Form Target from Two StringsWatch
  890. 3983Subsequence After One ReplacementWatch
  891. 3986Number of Elapsed Seconds Between Two TimesWatch
  892. 3992Rearrange String to Avoid Character PairWatch
  893. 3995Minimum Cost to Convert String IIIWatch
  894. 3998Transform Binary String Using Subsequence SortWatch
  895. 3999Minimum Number of String Groups Through TransformationsWatch
  896. 4006Count Valid PrefixesWatch
  897. 4019Merge Close Characters IILocked
  898. 4021Minimum Operations to Make a Rotated Palindrome IWatch
  899. 4026Maximum Gap Between StationsWatch
  900. 4028Minimum Operations to Make a Rotated Palindrome IILocked
  901. 4030Check ASCII PalindromicWatch
  902. 4036Lexicographically Largest String After Pair TransformationsWatch
  903. 4043Count Rotations With Exactly K Equal Adjacent PairsWatch