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Linked List 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 · 15 results

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TitleSolutionAcceptDifficultyTopics

369. Plus One Linked ListVideoPremium

Solution61.1%Medium

Linked List, Math· 2 companies

379. Design Phone DirectoryVideoPremium

Solution53.3%Medium

Array, Design +3· 1 company

426. Convert Binary Search Tree to Sorted Doubly Linked ListVideoPremium

Solution65.2%Medium

Binary Search Tree, Binary Tree +5· 4 companies

708. Insert into a Sorted Circular Linked ListVideoPremium

Solution38.5%Medium

Linked List· 4 companies

716. Max StackVideoPremium

Solution45.9%Hard

Design, Doubly-Linked List +3· 10 companies

1265. Print Immutable Linked List in ReverseVideoPremium

Solution94.0%Medium

Linked List, Recursion +2

1474. Delete N Nodes After M Nodes of a Linked ListVideoPremium

Solution74.4%Easy

Linked List· 1 company

1634. Add Two Polynomials Represented as Linked ListsVideoPremium

Solution61.1%Medium

Linked List, Math +1· 1 company

1836. Remove Duplicates From an Unsorted Linked ListVideoPremium

Solution75.6%Medium

Hash Table, Linked List· 2 companies

2046. Sort Linked List Already Sorted Using Absolute ValuesVideoPremium

Solution67.1%Medium

Linked List, Sorting +1

2674. Split a Circular Linked ListVideoPremium

Solution78.1%Medium

Linked List, Two Pointers

3062. Winner of the Linked List GameVideoPremium

Solution77.6%Easy

3063. Linked List FrequencyVideoPremium

Solution85.8%Easy

Counting, Hash Table +1

3263. Convert Doubly Linked List to Array IVideoPremium

Solution95.0%Easy

Array, Doubly-Linked List +1

3294. Convert Doubly Linked List to Array IIVideoPremium

Solution83.3%Medium

Array, Doubly-Linked List +1

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