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Problems

249 problems

Has videoPremium onlyReset
Array447String249Hash Table190Math173Database113Sorting100Simulation93Counting70Two Pointers70Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · 249 results

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TitleSolutionAcceptDifficultyTopics
821. Shortest Distance to a CharacterVideo
Solution72.7%Easy
Array, String +1· 4 companies
824. Goat LatinVideo
Solution69.9%Easy
String· 4 companies
830. Positions of Large GroupsVideo
Solution54.4%Easy
String· 1 company
844. Backspace String CompareVideo
Solution49.9%Easy
Simulation, Stack +2· 14 companies
859. Buddy StringsVideo
Solution34.0%Easy
Hash Table, String· 5 companies
884. Uncommon Words from Two SentencesVideo
Solution75.8%Easy
Counting, Hash Table +1· 2 companies
917. Reverse Only LettersVideo
Solution68.9%Easy
String, Two Pointers· 5 companies
925. Long Pressed NameVideo
Solution32.8%Easy
String, Two Pointers· 7 companies
929. Unique Email AddressesVideo
Solution67.9%Easy
Array, Hash Table +1· 5 companies
942. DI String MatchVideo
Solution81.0%Easy
Array, Greedy +2· 3 companies
944. Delete Columns to Make SortedVideo
Solution78.1%Easy
Array, String· 4 companies
953. Verifying an Alien DictionaryVideo
Solution55.9%Easy
Array, Hash Table +1· 8 companies
1002. Find Common CharactersVideo
Solution74.6%Easy
Array, Hash Table +1· 6 companies
1021. Remove Outermost ParenthesesVideo
Solution88.3%Easy
Stack, String· 6 companies
1047. Remove All Adjacent Duplicates In StringVideo
Solution74.2%Easy
Stack, String· 15 companies
1065. Index Pairs of a StringVideoPremium
Solution68.6%Easy
Array, Sorting +2· 1 company
1071. Greatest Common Divisor of StringsVideo
Solution54.1%Easy
Math, String· 7 companies
1078. Occurrences After BigramVideo
Solution64.1%Easy
String· 1 company
1108. Defanging an IP AddressVideo
Solution90.0%Easy
String· 7 companies
1119. Remove Vowels from a StringVideoPremium
Solution91.2%Easy
String· 1 company
1154. Day of the YearVideo
Solution50.3%Easy
Math, String· 3 companies
1160. Find Words That Can Be Formed by CharactersVideo
Solution71.5%Easy
Array, Counting +2· 7 companies
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
1189. Maximum Number of BalloonsVideo
Solution64.1%Easy
Counting, Hash Table +1· 6 companies
1221. Split a String in Balanced StringsVideo
Solution87.3%Easy
Counting, Greedy +1· 4 companies
1271. HexspeakVideoPremium
Solution57.5%Easy
Math, String· 1 company
1309. Decrypt String from Alphabet to Integer MappingVideo
Solution80.6%Easy
String· 4 companies
1332. Remove Palindromic SubsequencesVideo
Solution77.1%Easy
String, Two Pointers· 1 company
1360. Number of Days Between Two DatesVideo
Solution53.7%Easy
Math, String· 4 companies
1370. Increasing Decreasing StringVideo
Solution77.3%Easy
Counting, Hash Table +1· 3 companies
1374. Generate a String With Characters That Have Odd CountsVideo
Solution78.7%Easy
String· 1 company
1408. String Matching in an ArrayVideo
Solution69.8%Easy
Array, String +1· 5 companies
1417. Reformat The StringVideo
Solution52.3%Easy
String· 1 company
1422. Maximum Score After Splitting a StringVideo
Solution65.1%Easy
Prefix Sum, String· 3 companies
1427. Perform String ShiftsVideoPremium
Solution56.0%Easy
Array, Math +1· 1 company
1436. Destination CityVideo
Solution79.5%Easy
Array, Hash Table +1· 4 companies
1446. Consecutive CharactersVideo
Solution60.1%Easy
String· 4 companies
1455. Check If a Word Occurs As a Prefix of Any Word in a SentenceVideo
Solution68.8%Easy
String, String Matching +1· 4 companies
1496. Path CrossingVideo
Solution62.5%Easy
Hash Table, String· 3 companies
1507. Reformat DateVideo
Solution69.0%Easy
String· 4 companies
1528. Shuffle StringVideo
Solution85.5%Easy
Array, String· 2 companies
1544. Make The String GreatVideo
Solution68.8%Easy
Stack, String· 4 companies
1556. Thousand SeparatorVideo
Solution53.7%Easy
String
1576. Replace All ?'s to Avoid Consecutive Repeating CharactersVideo
Solution45.7%Easy
String· 1 company
1592. Rearrange Spaces Between WordsVideo
Solution43.9%Easy
String· 1 company
1598. Crawler Log FolderVideo
Solution71.7%Easy
Array, Stack +1· 2 companies
1614. Maximum Nesting Depth of the ParenthesesVideo
Solution86.1%Easy
Stack, String· 7 companies
1624. Largest Substring Between Two Equal CharactersVideo
Solution68.5%Easy
Hash Table, String· 1 company
1629. Slowest KeyVideo
Solution59.7%Easy
Array, String· 1 company
Showing 51–100 of 249