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Problems

129 problems

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Database57Array37String20Hash Table17Math11Sorting9Two Pointers6Binary Search5Counting4Design4Linked List4Simulation4Binary Tree3Bit Manipulation3Data Stream3All topics

Easy · Premium · 129 results

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TitleSolutionAcceptDifficultyTopics
157. Read N Characters Given Read4VideoPremium
Solution42.5%Easy
Array, Interactive +1· 3 companies
163. Missing RangesVideoPremium
Solution35.5%Easy
Array· 2 companies
170. Two Sum III - Data structure designVideoPremium
Solution39.1%Easy
Array, Data Stream +3· 2 companies
243. Shortest Word DistanceVideoPremium
Solution66.3%Easy
Array, String· 8 companies
246. Strobogrammatic NumberVideoPremium
Solution47.6%Easy
Hash Table, String +1· 2 companies
252. Meeting RoomsVideoPremium
Solution59.4%Easy
Array, Sorting· 10 companies
266. Palindrome PermutationVideoPremium
Solution68.6%Easy
Bit Manipulation, Hash Table +1· 5 companies
270. Closest Binary Search Tree ValueVideoPremium
Solution49.2%Easy
Binary Search, Binary Search Tree +3· 7 companies
293. Flip GameVideoPremium
Solution64.8%Easy
String· 1 company
346. Moving Average from Data StreamVideoPremium
Solution80.2%Easy
Array, Data Stream +2· 11 companies
359. Logger Rate LimiterVideoPremium
Solution76.8%Easy
Data Stream, Design +1· 21 companies
408. Valid Word AbbreviationVideoPremium
Solution37.0%Easy
String, Two Pointers· 7 companies
422. Valid Word SquareVideoPremium
Solution42.9%Easy
Array, Matrix· 1 company
512. Game Play Analysis IIVideoPremium
Solution54.9%Easy
Database· 2 companies
597. Friend Requests I: Overall Acceptance RateVideoPremium
Solution41.0%Easy
Database· 1 company
603. Consecutive Available SeatsVideoPremium
Solution64.9%Easy
Database
604. Design Compressed String IteratorVideoPremium
Solution40.5%Easy
Array, Design +2· 1 company
613. Shortest Distance in a LineVideoPremium
Solution80.0%Easy
Database
734. Sentence SimilarityVideoPremium
Solution44.5%Easy
Array, Hash Table +1· 1 company
760. Find Anagram MappingsVideoPremium
Solution83.8%Easy
Array, Hash Table· 1 company
800. Similar RGB ColorVideoPremium
Solution68.6%Easy
Enumeration, Math +1· 1 company
1056. Confusing NumberVideoPremium
Solution49.8%Easy
Math· 1 company
1064. Fixed PointVideoPremium
Solution64.1%Easy
Array, Binary Search· 1 company
1065. Index Pairs of a StringVideoPremium
Solution68.6%Easy
Array, Sorting +2· 1 company
1069. Product Sales Analysis IIVideoPremium
Solution82.7%Easy
Database· 1 company
1076. Project Employees IIVideoPremium
Solution50.1%Easy
Database· 1 company
1082. Sales Analysis IVideoPremium
Solution74.6%Easy
Database· 1 company
1083. Sales Analysis IIVideoPremium
Solution49.8%Easy
Database· 1 company
1085. Sum of Digits in the Minimum NumberVideoPremium
Solution76.6%Easy
Array, Math· 1 company
1086. High FiveVideoPremium
Solution74.5%Easy
Array, Hash Table +2· 2 companies
1099. Two Sum Less Than KVideoPremium
Solution61.9%Easy
Array, Binary Search +2· 1 company
1113. Reported PostsVideoPremium
Solution65.0%Easy
Database· 1 company
1118. Number of Days in a MonthVideoPremium
Solution59.4%Easy
Math· 1 company
1119. Remove Vowels from a StringVideoPremium
Solution91.2%Easy
String· 1 company
1133. Largest Unique NumberVideoPremium
Solution71.3%Easy
Array, Hash Table +1· 1 company
1134. Armstrong NumberVideoPremium
Solution77.8%Easy
Math· 1 company
1142. User Activity for the Past 30 Days IIVideoPremium
Solution35.7%Easy
Database· 2 companies
1150. Check If a Number Is Majority Element in a Sorted ArrayVideoPremium
Solution59.9%Easy
Array, Binary Search· 1 company
1165. Single-Row KeyboardVideoPremium
Solution87.6%Easy
Hash Table, String· 1 company
1173. Immediate Food Delivery IVideoPremium
Solution80.9%Easy
Database· 1 company
1176. Diet Plan PerformanceVideoPremium
Solution55.9%Easy
Array, Sliding Window· 1 company
1180. Count Substrings with Only One Distinct LetterVideoPremium
Solution80.9%Easy
Math, String· 1 company
1196. How Many Apples Can You Put into the BasketVideoPremium
Solution67.0%Easy
Array, Greedy +1· 1 company
1213. Intersection of Three Sorted ArraysVideoPremium
Solution80.2%Easy
Array, Binary Search +2· 2 companies
1228. Missing Number In Arithmetic ProgressionVideoPremium
Solution52.0%Easy
Array, Math· 2 companies
1241. Number of Comments per PostVideoPremium
Solution65.5%Easy
Database· 1 company
1243. Array TransformationVideoPremium
Solution53.6%Easy
Array, Simulation· 1 company
1271. HexspeakVideoPremium
Solution57.5%Easy
Math, String· 1 company
1279. Traffic Light Controlled IntersectionPremium
Solution72.8%Easy
Concurrency
1294. Weather Type in Each CountryVideoPremium
Solution66.8%Easy
Database· 1 company
Showing 1–50 of 129