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Problems

20 problems

Has videoPremium onlyReset
Database57Array37String20Hash Table17Math11Sorting9Two Pointers6Binary Search5Counting4Design4Linked List4Simulation4Binary Tree3Bit Manipulation3Data Stream3All topics

Easy · Premium · 20 results

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TitleSolutionAcceptDifficultyTopics
243. Shortest Word DistanceVideoPremium
Solution66.3%Easy
Array, String· 8 companies
246. Strobogrammatic NumberVideoPremium
Solution47.6%Easy
Hash Table, String +1· 2 companies
266. Palindrome PermutationVideoPremium
Solution68.6%Easy
Bit Manipulation, Hash Table +1· 5 companies
293. Flip GameVideoPremium
Solution64.8%Easy
String· 1 company
408. Valid Word AbbreviationVideoPremium
Solution37.0%Easy
String, Two Pointers· 7 companies
604. Design Compressed String IteratorVideoPremium
Solution40.5%Easy
Array, Design +2· 1 company
734. Sentence SimilarityVideoPremium
Solution44.5%Easy
Array, Hash Table +1· 1 company
800. Similar RGB ColorVideoPremium
Solution68.6%Easy
Enumeration, Math +1· 1 company
1065. Index Pairs of a StringVideoPremium
Solution68.6%Easy
Array, Sorting +2· 1 company
1119. Remove Vowels from a StringVideoPremium
Solution91.2%Easy
String· 1 company
1165. Single-Row KeyboardVideoPremium
Solution87.6%Easy
Hash Table, String· 1 company
1180. Count Substrings with Only One Distinct LetterVideoPremium
Solution80.9%Easy
Math, String· 1 company
1271. HexspeakVideoPremium
Solution57.5%Easy
Math, String· 1 company
1427. Perform String ShiftsVideoPremium
Solution56.0%Easy
Array, Math +1· 1 company
1933. Check if String Is Decomposable Into Value-Equal SubstringsVideoPremium
Solution50.4%Easy
String
3491. Phone Number PrefixVideoPremium
Solution69.9%Easy
Array, Sorting +2
3571. Find the Shortest Superstring IIVideoPremium
Solution48.8%Easy
String
3581. Count Odd Letters from NumberVideoPremium
Solution85.1%Easy
Counting, Hash Table +2
3662. Filter Characters by FrequencyPremium
Solution86.2%Easy
Counting, Hash Table +1· 1 company
3696. Maximum Distance Between Unequal Words in Array IVideoPremium
Solution81.7%Easy
Array, String· 1 company
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