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Problems

252 problems

Has videoPremium onlyReset
Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

252 results

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TitleSolutionAcceptDifficultyTopics
2983. Palindrome Rearrangement QueriesVideo
Solution24.4%Hard
Hash Table, Prefix Sum +1
3015. Count the Number of Houses at a Certain Distance IVideo
Solution58.2%Medium
Breadth-First Search, Graph +1· 1 company
3017. Count the Number of Houses at a Certain Distance IIVideo
Solution23.7%Hard
Graph, Prefix Sum· 1 company
3026. Maximum Good Subarray SumVideo
Solution22.7%Medium
Array, Hash Table +1· 5 companies
3028. Ant on the BoundaryVideo
Solution74.6%Easy
Array, Prefix Sum +1· 3 companies
3070. Count Submatrices with Top-Left Element and Sum Less Than kVideo
Solution74.8%Medium
Array, Matrix +1· 2 companies
3077. Maximum Strength of K Disjoint SubarraysVideo
Solution28.2%Hard
Array, Dynamic Programming +1· 2 companies
3086. Minimum Moves to Pick K OnesVideo
Solution21.6%Hard
Array, Greedy +2· 1 company
3096. Minimum Levels to Gain More PointsVideo
Solution40.4%Medium
Array, Prefix Sum· 1 company
3104. Find Longest Self-Contained SubstringVideoPremium
Solution58.6%Hard
Binary Search, Hash Table +2· 1 company
3129. Find All Possible Stable Binary Arrays IVideo
Solution53.8%Medium
Dynamic Programming, Prefix Sum· 3 companies
3130. Find All Possible Stable Binary Arrays IIVideo
Solution58.4%Hard
Dynamic Programming, Prefix Sum· 2 companies
3147. Taking Maximum Energy From the Mystic DungeonVideo
Solution61.0%Medium
Array, Prefix Sum· 5 companies
3152. Special Array IIVideo
Solution45.8%Medium
Array, Binary Search +1· 4 companies
3179. Find the N-th Value After K SecondsVideo
Solution54.0%Medium
Array, Combinatorics +3· 1 company
3191. Minimum Operations to Make Binary Array Elements Equal to One IVideo
Solution80.4%Medium
Array, Bit Manipulation +3· 6 companies
3212. Count Submatrices With Equal Frequency of X and YVideo
Solution69.5%Medium
Array, Matrix +1· 2 companies
3224. Minimum Array Changes to Make Differences EqualVideo
Solution24.9%Medium
Array, Hash Table +1· 2 companies
3225. Maximum Score From Grid OperationsVideo
Solution63.5%Hard
Array, Dynamic Programming +2· 3 companies
3250. Find the Count of Monotonic Pairs IVideo
Solution47.6%Hard
Array, Combinatorics +3· 2 companies
3251. Find the Count of Monotonic Pairs IIVideo
Solution24.7%Hard
Array, Combinatorics +3· 1 company
3261. Count Substrings That Satisfy K-Constraint IIVideo
Solution24.1%Hard
Array, Binary Search +3
3279. Maximum Total Area Occupied by PistonsVideoPremium
Solution41.3%Hard
Array, Counting +4
3312. Sorted GCD Pair QueriesVideo
Solution58.4%Hard
Array, Binary Search +6· 1 company
3333. Find the Original Typed String IIVideo
Solution45.6%Hard
Dynamic Programming, Prefix Sum +1· 5 companies
3346. Maximum Frequency of an Element After Performing Operations IVideo
Solution40.1%Medium
Array, Binary Search +3· 4 companies
3347. Maximum Frequency of an Element After Performing Operations IIVideo
Solution53.8%Hard
Array, Binary Search +3· 3 companies
3354. Make Array Elements Equal to ZeroVideo
Solution68.3%Easy
Array, Prefix Sum +1· 5 companies
3355. Zero Array Transformation IVideo
Solution54.5%Medium
Array, Prefix Sum· 5 companies
3356. Zero Array Transformation IIVideo
Solution43.6%Medium
Array, Binary Search +1· 5 companies
3361. Shift Distance Between Two StringsVideo
Solution52.8%Medium
Array, Prefix Sum +1· 1 company
3362. Zero Array Transformation IIIVideo
Solution54.9%Medium
Array, Greedy +3· 5 companies
3364. Minimum Positive Sum Subarray Video
Solution45.6%Easy
Array, Prefix Sum +1
3381. Maximum Subarray Sum With Length Divisible by KVideo
Solution49.6%Medium
Array, Hash Table +1· 4 companies
3413. Maximum Coins From K Consecutive BagsVideo
–28.5%Medium
Array, Binary Search +4· 2 companies
3425. Longest Special PathVideo
–23.2%Hard
Array, Depth-First Search +3
3427. Sum of Variable Length SubarraysVideo
Solution85.6%Easy
Array, Prefix Sum· 2 companies
3432. Count Partitions with Even Sum DifferenceVideo
Solution85.2%Easy
Array, Math +1· 5 companies
3434. Maximum Frequency After Subarray OperationVideo
–31.6%Medium
Array, Dynamic Programming +4· 4 companies
3445. Maximum Difference Between Even and Odd Frequency IIVideo
Solution48.7%Hard
Enumeration, Prefix Sum +2· 6 companies
3473. Sum of K Subarrays With Length at Least MVideo
–26.0%Medium
Array, Dynamic Programming +1
3480. Maximize Subarrays After Removing One Conflicting PairVideo
Solution64.6%Hard
Array, Enumeration +2· 5 companies
3486. Longest Special Path IIVideo
–19.8%Hard
Array, Depth-First Search +3· 1 company
3494. Find the Minimum Amount of Time to Brew PotionsVideo
Solution62.7%Medium
Array, Prefix Sum +1· 6 companies
3500. Minimum Cost to Divide Array Into SubarraysVideo
–28.2%Hard
Array, Dynamic Programming +1
3511. Make a Positive ArrayPremium
Solution36.9%Medium
Array, Greedy +1· 1 company
3538. Merge Operations for Minimum Travel TimeVideo
–30.5%Hard
Array, Dynamic Programming +1· 1 company
3540. Minimum Time to Visit All HousesVideoPremium
–69.9%Medium
Array, Prefix Sum· 1 company
3546. Equal Sum Grid Partition IVideo
Solution52.9%Medium
Array, Enumeration +2· 4 companies
3548. Equal Sum Grid Partition IIVideo
Solution39.5%Hard
Array, Enumeration +3· 2 companies
Showing 151–200 of 252