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Problems

16 problems

Has videoPremium onlyReset
Linked ListArray447String249Hash Table190Math173Database113Sorting100Simulation93Counting70Two Pointers70Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · 16 results

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TitleSolutionAcceptDifficultyTopics
21. Merge Two Sorted ListsVideo
Solution68.7%Easy
Linked List, Recursion· 36 companies
83. Remove Duplicates from Sorted ListVideo
Solution57.6%Easy
Linked List· 9 companies
141. Linked List CycleVideo
Solution55.2%Easy
Hash Table, Linked List +1· 24 companies
160. Intersection of Two Linked ListsVideo
Solution64.6%Easy
Hash Table, Linked List +1· 13 companies
203. Remove Linked List ElementsVideo
Solution55.3%Easy
Linked List, Recursion· 9 companies
206. Reverse Linked ListVideo
Solution81.0%Easy
Linked List, Recursion· 34 companies
234. Palindrome Linked ListVideo
Solution58.8%Easy
Linked List, Recursion +2· 17 companies
705. Design HashSetVideo
Solution67.9%Easy
Array, Design +3· 6 companies
706. Design HashMapVideo
Solution66.5%Easy
Array, Design +3· 13 companies
876. Middle of the Linked ListVideo
Solution82.3%Easy
Linked List, Two Pointers· 13 companies
1290. Convert Binary Number in a Linked List to IntegerVideo
Solution82.3%Easy
Linked List, Math· 10 companies
1474. Delete N Nodes After M Nodes of a Linked ListVideoPremium
Solution74.4%Easy
Linked List· 1 company
3062. Winner of the Linked List GameVideoPremium
Solution77.6%Easy
Linked List
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
3507. Minimum Pair Removal to Sort Array IVideo
Solution65.3%Easy
Array, Doubly-Linked List +5· 5 companies
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