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Problems

473 problems

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

Medium · 473 results

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TitleSolutionAcceptDifficultyTopics
3078. Match Alphanumerical Pattern in Matrix IVideoPremium
Solution64.6%Medium
Array, Hash Table +2· 2 companies
3080. Mark Elements on Array by Performing QueriesVideo
Solution49.1%Medium
Array, Hash Table +3· 2 companies
3081. Replace Question Marks in String to Minimize Its ValueVideo
Solution29.6%Medium
Counting, Greedy +4· 1 company
3085. Minimum Deletions to Make String K-SpecialVideo
Solution67.2%Medium
Counting, Greedy +3· 3 companies
3092. Most Frequent IDsVideo
Solution43.0%Medium
Array, Hash Table +2· 2 companies
3121. Count the Number of Special Characters IIVideo
Solution60.3%Medium
Hash Table, String· 3 companies
3128. Right TrianglesVideo
Solution48.5%Medium
Array, Combinatorics +3· 2 companies
3137. Minimum Number of Operations to Make Word K-PeriodicVideo
Solution59.9%Medium
Counting, Hash Table +1· 2 companies
3138. Minimum Length of Anagram ConcatenationVideo
Solution39.8%Medium
Counting, Hash Table +1· 2 companies
3143. Maximum Points Inside the SquareVideo
Solution39.9%Medium
Array, Binary Search +3· 1 company
3144. Minimum Substring Partition of Equal Character FrequencyVideo
Solution40.5%Medium
Counting, Dynamic Programming +2· 4 companies
3153. Sum of Digit Differences of All PairsVideo
Solution43.3%Medium
Array, Counting +2· 2 companies
3159. Find Occurrences of an Element in an ArrayVideo
Solution73.6%Medium
Array, Hash Table· 3 companies
3160. Find the Number of Distinct Colors Among the BallsVideo
Solution54.2%Medium
Array, Hash Table +1· 3 companies
3164. Find the Number of Good Pairs IIVideo
Solution26.6%Medium
Array, Hash Table· 2 companies
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
3176. Find the Maximum Length of a Good Subsequence IVideo
Solution32.6%Medium
Array, Dynamic Programming +1· 1 company
3185. Count Pairs That Form a Complete Day IIVideo
Solution43.7%Medium
Array, Counting +1· 1 company
3186. Maximum Total Damage With Spell CastingVideo
Solution45.1%Medium
Array, Binary Search +5· 7 companies
3217. Delete Nodes From Linked List Present in ArrayVideo
Solution69.5%Medium
Array, Hash Table +1· 5 companies
3223. Minimum Length of String After OperationsVideo
Solution75.0%Medium
Counting, Hash Table +1· 3 companies
3224. Minimum Array Changes to Make Differences EqualVideo
Solution24.9%Medium
Array, Hash Table +1· 2 companies
3237. Alt and Tab SimulationVideoPremium
Solution54.3%Medium
Array, Hash Table +1
3265. Count Almost Equal Pairs IVideo
Solution38.3%Medium
Array, Counting +3· 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
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
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
3365. Rearrange K Substrings to Form Target StringVideo
Solution56.7%Medium
Hash Table, Sorting +1
3371. Identify the Largest Outlier in an ArrayVideo
Solution36.2%Medium
Array, Counting +2· 4 companies
3381. Maximum Subarray Sum With Length Divisible by KVideo
Solution49.6%Medium
Array, Hash Table +1· 4 companies
3391. Design a 3D Binary Matrix with Efficient Layer TrackingVideoPremium
Solution66.1%Medium
Array, Design +4· 1 company
3404. Count Special SubsequencesVideo
Solution29.9%Medium
Array, Enumeration +2· 1 company
3408. Design Task ManagerVideo
Solution49.1%Medium
Design, Hash Table +2· 5 companies
3412. Find Mirror Score of a StringVideo
Solution36.1%Medium
Hash Table, Simulation +2· 3 companies
3422. Minimum Operations to Make Subarray Elements EqualPremium
Solution46.8%Medium
Array, Hash Table +3
3431. Minimum Unlocked Indices to Sort NumsPremium
Solution57.6%Medium
Array, Hash Table
3434. Maximum Frequency After Subarray OperationVideo
–31.6%Medium
Array, Dynamic Programming +4· 4 companies
3443. Maximum Manhattan Distance After K ChangesVideo
Solution54.2%Medium
Counting, Hash Table +2· 4 companies
3447. Assign Elements to Groups with ConstraintsVideo
Solution27.4%Medium
Array, Hash Table· 1 company
3458. Select K Disjoint Special SubstringsVideo
–19.2%Medium
Dynamic Programming, Greedy +3· 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
3488. Closest Equal Element QueriesVideo
Solution51.4%Medium
Array, Binary Search +1· 4 companies
3493. Properties GraphVideo
Solution48.6%Medium
Array, Breadth-First Search +4· 1 company
Showing 351–400 of 473