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Array301 Database212 Hash Table116 String116 Depth-First Search78 Math78 Dynamic Programming76 Sorting64 Tree63 Breadth-First Search53 Greedy52 Binary Search50 Binary Tree48 Two Pointers40 Matrix39 All topics

Premium · 789 results

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TitleSolutionAcceptDifficultyTopics

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

3460. Longest Common Prefix After at Most One RemovalPremium

Solution68.3%Medium

String, Two Pointers

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

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

3571. Find the Shortest Superstring IIVideoPremium

Solution48.8%Easy

3581. Count Odd Letters from NumberVideoPremium

Solution85.1%Easy

Counting, Hash Table +2

3595. Once TwicePremium

–76.1%Medium

Array, Bit Manipulation

3596. Minimum Cost Path with Alternating Directions IVideoPremium

Solution68.6%Medium

Brainteaser, Math

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

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

3662. Filter Characters by FrequencyPremium

Solution86.2%Easy

Counting, Hash Table +1· 1 company

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

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

3735. Lexicographically Smallest String After Reverse IIPremium

–49.0%Hard

Binary Search, Hash Function +3

3744. Find Kth Character in Expanded StringVideoPremium

Solution56.4%Medium

3749. Evaluate Valid ExpressionsPremium

Solution69.2%Hard

Divide and Conquer, Hash Table +3

3758. Convert Number Words to DigitsVideoPremium

Solution67.7%Medium

3763. Maximum Total Sum with Threshold ConstraintsVideoPremium

Solution82.4%Medium

Array, Greedy +2

3773. Maximum Number of Equal Length RunsPremium

Solution82.8%Medium

Counting, Hash Table +1

3778. Minimum Distance Excluding One Maximum Weighted EdgePremium

Solution48.0%Medium

–

3787. Find Diameter Endpoints of a TreePremium

Solution65.9%Medium

Breadth-First Search, Graph +1· 1 company

3792. Sum of Increasing Product BlocksPremium

Solution69.0%Medium

Math, Simulation

3802. Number of Ways to Paint SheetsPremium

–66.7%Hard

–

3807. Minimum Cost to Repair Edges to Traverse a GraphVideoPremium

Solution55.6%Medium

Binary Search, Breadth-First Search +1

Showing 701–750 of 789