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Problems

301 problems

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Array301Database212Hash Table116String116Depth-First Search78Math78Dynamic Programming76Sorting64Tree63Breadth-First Search53Greedy52Binary Search50Binary Tree48Two Pointers40Matrix39All topics

Premium · 301 results

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TitleSolutionAcceptDifficultyTopics
3284. Sum of Consecutive SubarraysVideoPremium
Solution43.4%Medium
Array, Dynamic Programming +1
3294. Convert Doubly Linked List to Array IIVideoPremium
Solution83.3%Medium
Array, Doubly-Linked List +1
3299. Sum of Consecutive SubsequencesVideoPremium
Solution44.1%Hard
Array, Dynamic Programming +1
3323. Minimize Connected Groups by Inserting IntervalVideoPremium
Solution50.3%Medium
Array, Binary Search +2· 1 company
3353. Minimum Total OperationsVideoPremium
Solution63.8%Easy
Array
3359. Find Sorted Submatrices With Maximum Element at Most KPremium
–52.5%Hard
Array, Matrix +2
3383. Minimum Runes to Add to Cast SpellPremium
Solution45.2%Hard
Array, Breadth-First Search +4· 1 company
3385. Minimum Time to Break Locks IIPremium
Solution45.7%Hard
Array, Depth-First Search +1· 1 company
3391. Design a 3D Binary Matrix with Efficient Layer TrackingVideoPremium
Solution66.1%Medium
Array, Design +4· 1 company
3400. Maximum Number of Matching Indices After Right ShiftsVideoPremium
Solution85.3%Medium
Array, Simulation +1
3416. Subsequences with a Unique Middle Mode IIPremium
–16.3%Hard
Array, Combinatorics +2
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
3437. Permutations IIIPremium
Solution86.2%Medium
Array, Backtracking· 1 company
3450. Maximum Students on a Single BenchVideoPremium
Solution87.8%Easy
Array, Hash Table
3466. Maximum Coin Collection VideoPremium
Solution52.8%Medium
Array, Dynamic Programming· 1 company
3476. Maximize Profit from Task AssignmentVideoPremium
Solution65.9%Medium
Array, Greedy +2
3481. Apply SubstitutionsVideoPremium
Solution78.0%Medium
Array, Breadth-First Search +5· 1 company
3491. Phone Number PrefixVideoPremium
Solution69.9%Easy
Array, Sorting +2
3496. Maximize Score After Pair DeletionsPremium
Solution52.5%Medium
Array, Greedy· 1 company
3506. Find Time Required to Eliminate Bacterial StrainsPremium
Solution63.2%Hard
Array, Greedy +2
3511. Make a Positive ArrayPremium
Solution36.9%Medium
Array, Greedy +1· 1 company
3520. Minimum Threshold for Inversion Pairs CountPremium
–56.3%Medium
Array, Binary Indexed Tree +2
3526. Range XOR Queries with Subarray ReversalsPremium
–62.4%Hard
Array, Binary Tree +1
3535. Unit Conversion IIVideoPremium
Solution61.5%Medium
Array, Breadth-First Search +3· 1 company
3540. Minimum Time to Visit All HousesVideoPremium
–69.9%Medium
Array, Prefix Sum· 1 company
3549. Multiply Two PolynomialsVideoPremium
Solution59.2%Hard
Array, Math
3555. Smallest Subarray to Sort in Every Sliding WindowVideoPremium
Solution58.8%Medium
Array, Greedy +4
3565. Sequential Grid Path CoverVideoPremium
Solution59.5%Medium
Array, Matrix +1
3595. Once TwicePremium
–76.1%Medium
Array, Bit Manipulation
3610. Minimum Number of Primes to Sum to TargetVideoPremium
Solution59.8%Medium
Array, Dynamic Programming +2· 1 company
3616. Number of Student ReplacementsVideoPremium
Solution85.1%Medium
Array, Simulation
3631. Sort Threats by Severity and ExploitabilityVideoPremium
Solution63.3%Medium
Array, Sorting
3632. Subarrays with XOR at Least KPremium
–46.3%Hard
Array, Bit Manipulation +2
3641. Longest Semi-Repeating SubarrayVideoPremium
Solution63.9%Medium
Array, Hash Table +1
3647. Maximum Weight in Two BagsPremium
Solution58.3%Medium
Array, Dynamic Programming
3656. Determine if a Simple Graph ExistsPremium
–47.5%Medium
Array, Binary Search +3
3667. Sort Array By Absolute ValueVideoPremium
Solution86.7%Easy
Array, Math +2· 1 company
3672. Sum of Weighted Modes in SubarraysPremium
Solution54.3%Medium
Array, Counting +3
3682. Minimum Index Sum of Common ElementsPremium
Solution77.5%Medium
Array, Hash Table
3687. Library Late Fee CalculatorVideoPremium
Solution94.4%Easy
Array, Simulation
3696. Maximum Distance Between Unequal Words in Array IVideoPremium
Solution81.7%Easy
Array, String· 1 company
3706. Maximum Distance Between Unequal Words in Array IIVideoPremium
Solution72.1%Medium
Array, String
3711. Maximum Transactions Without Negative BalanceVideoPremium
Solution46.1%Medium
Array, Greedy +1· 1 company
3717. Minimum Operations to Make the Array BeautifulPremium
Solution36.9%Medium
Array, Dynamic Programming
3730. Maximum Calories Burnt from JumpsVideoPremium
Solution72.8%Medium
Array, Greedy +2· 1 company
3763. Maximum Total Sum with Threshold ConstraintsVideoPremium
Solution82.4%Medium
Array, Greedy +2
3837. Delayed Count of Equal ElementsPremium
Solution77.7%Medium
Array, Counting +1· 1 company
3851. Maximum Requests Without Violating the LimitPremium
Solution64.1%Medium
Array, Greedy +3
3860. Unique Email GroupsPremium
Solution84.8%Medium
Array, Hash Table +1
Showing 251–300 of 301