Talentd
For employersSign in
JobsInternshipsPracticeResume toolsCompaniesArticles
For employers
FleetCode
Make and follow sheets.Sign in

Problems

437 problems

Has videoPremium onlyReset
Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 437 results

Sign in to see which of these you have solved.Sign in
TitleSolutionAcceptDifficultyTopics
3167. Better Compression of StringVideoPremium
Solution75.3%Medium
Counting, Hash Table +2· 2 companies
3170. Lexicographically Minimum String After Removing StarsVideo
Solution51.0%Medium
Greedy, Hash Table +3· 7 companies
3211. Generate Binary Strings Without Adjacent ZerosVideo
Solution88.3%Medium
Backtracking, Bit Manipulation +1· 4 companies
3223. Minimum Length of String After OperationsVideo
Solution75.0%Medium
Counting, Hash Table +1· 3 companies
3227. Vowels Game in a StringVideo
Solution77.1%Medium
Brainteaser, Game Theory +2· 3 companies
3228. Maximum Number of Operations to Move Ones to the EndVideo
Solution67.2%Medium
Counting, Greedy +1· 4 companies
3234. Count the Number of Substrings With Dominant OnesVideo
Solution42.1%Medium
Enumeration, Sliding Window +1· 5 companies
3271. Hash Divided StringVideo
Solution82.5%Medium
Simulation, String· 1 company
3291. Minimum Number of Valid Strings to Form Target IVideo
Solution22.4%Medium
Array, Binary Search +7· 1 company
3295. Report Spam MessageVideo
Solution48.6%Medium
Array, Hash Table +1· 2 companies
3297. Count Substrings That Can Be Rearranged to Contain a String IVideo
Solution42.9%Medium
Hash Table, Sliding Window +1· 1 company
3302. Find the Lexicographically Smallest Valid SequenceVideo
Solution57.9%Medium
Dynamic Programming, Greedy +2
3305. Count of Substrings Containing Every Vowel and K Consonants IVideo
Solution41.8%Medium
Hash Table, Sliding Window +1
3306. Count of Substrings Containing Every Vowel and K Consonants IIVideo
Solution40.6%Medium
Hash Table, Sliding Window +1· 3 companies
3316. Find Maximum Removals From Source StringVideo
Solution39.3%Medium
Array, Dynamic Programming +3· 1 company
3324. Find the Sequence of Strings Appeared on the ScreenVideo
Solution79.5%Medium
Simulation, String· 1 company
3325. Count Substrings With K-Frequency Characters IVideo
Solution56.3%Medium
Hash Table, Sliding Window +1· 1 company
3331. Find Subtree Sizes After ChangesVideo
Solution52.8%Medium
Array, Depth-First Search +3
3335. Total Characters in String After Transformations IVideo
Solution45.7%Medium
Counting, Dynamic Programming +3· 4 companies
3361. Shift Distance Between Two StringsVideo
Solution52.8%Medium
Array, Prefix Sum +1· 1 company
3365. Rearrange K Substrings to Form Target StringVideo
Solution56.7%Medium
Hash Table, Sorting +1
3387. Maximize Amount After Two Days of ConversionsVideo
Solution60.6%Medium
Array, Breadth-First Search +3· 3 companies
3403. Find the Lexicographically Largest String From the Box IVideo
Solution41.0%Medium
Enumeration, String +1· 5 companies
3412. Find Mirror Score of a StringVideo
Solution36.1%Medium
Hash Table, Simulation +2· 3 companies
3443. Maximum Manhattan Distance After K ChangesVideo
Solution54.2%Medium
Counting, Hash Table +2· 4 companies
3458. Select K Disjoint Special SubstringsVideo
–19.2%Medium
Dynamic Programming, Greedy +3· 1 company
3460. Longest Common Prefix After at Most One RemovalPremium
Solution68.3%Medium
String, Two Pointers
3472. Longest Palindromic Subsequence After at Most K OperationsVideo
Solution38.0%Medium
Dynamic Programming, String· 1 company
3481. Apply SubstitutionsVideoPremium
Solution78.0%Medium
Array, Breadth-First Search +5· 1 company
3484. Design SpreadsheetVideo
Solution73.5%Medium
Array, Design +3· 7 companies
3499. Maximize Active Section with Trade IVideo
Solution60.9%Medium
Enumeration, String· 1 company
3503. Longest Palindrome After Substring Concatenation IVideo
Solution43.8%Medium
Dynamic Programming, Enumeration +2· 2 companies
3517. Smallest Palindromic Rearrangement IVideo
Solution74.5%Medium
Counting Sort, Sorting +1· 3 companies
3522. Calculate Score After Performing InstructionsVideo
Solution57.0%Medium
Array, Hash Table +2· 1 company
3527. Find the Most Common ResponseVideo
Solution74.0%Medium
Array, Counting +2· 1 company
3529. Count Cells in Overlapping Horizontal and Vertical SubstringsVideo
–27.7%Medium
Array, Hash Function +4· 1 company
3556. Sum of Largest Prime SubstringsVideo
Solution37.9%Medium
Hash Table, Math +3· 1 company
3557. Find Maximum Number of Non Intersecting SubstringsVideo
–31.1%Medium
Dynamic Programming, Greedy +2· 1 company
3561. Resulting String After Adjacent RemovalsVideo
Solution56.5%Medium
Simulation, Stack +1· 1 company
3597. Partition String Video
Solution59.4%Medium
Hash Table, Simulation +2· 1 company
3598. Longest Common Prefix Between Adjacent Strings After RemovalsVideo
Solution32.4%Medium
Array, String· 1 company
3612. Process String with Special Operations IVideo
Solution71.4%Medium
Simulation, String· 4 companies
3628. Maximum Number of Subsequences After One InsertingVideo
Solution32.4%Medium
Dynamic Programming, Greedy +2· 1 company
3664. Two-Letter Card GameVideo
–13.0%Medium
Array, Counting +3· 2 companies
3675. Minimum Operations to Transform StringVideo
Solution61.9%Medium
Greedy, String
3694. Distinct Points Reachable After Substring RemovalVideo
Solution53.9%Medium
Hash Table, Prefix Sum +2
3703. Remove K-Balanced SubstringsVideo
Solution33.1%Medium
Simulation, Stack +1· 2 companies
3706. Maximum Distance Between Unequal Words in Array IIVideoPremium
Solution72.1%Medium
Array, String
3713. Longest Balanced Substring IVideo
Solution69.1%Medium
Counting, Enumeration +2· 4 companies
3714. Longest Balanced Substring IIVideo
Solution42.0%Medium
Hash Table, Prefix Sum +1· 6 companies
Showing 351–400 of 437