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Problems

264 problems

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

264 results

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TitleSolutionAcceptDifficultyTopics
3590. Kth Smallest Path XOR SumVideo
Solution30.1%Hard
Array, Depth-First Search +2
3593. Minimum Increments to Equalize Leaf PathsVideo
–41.2%Medium
Array, Depth-First Search +2· 2 companies
3715. Sum of Perfect Square AncestorsVideo
–41.3%Hard
Array, Counting +5· 3 companies
3772. Maximum Subgraph Score in a TreeVideo
–65.4%Hard
Array, Depth-First Search +2· 1 company
3786. Total Sum of Interaction Cost in Tree GroupsVideo
–50.8%Hard
Array, Depth-First Search +1· 1 company
3787. Find Diameter Endpoints of a TreePremium
Solution65.9%Medium
Breadth-First Search, Graph +1· 1 company
3812. Minimum Edge Toggles on a TreeVideo
Solution65.6%Hard
Depth-First Search, Graph +3
3820. Pythagorean Distance Nodes in a TreeVideo
Solution56.6%Medium
Breadth-First Search, Tree· 1 company
3831. Median of a Binary Search Tree LevelVideoPremium
Solution86.4%Medium
Binary Search Tree, Binary Tree +3
3841. Palindromic Path Queries in a TreeVideo
–34.8%Hard
Array, Divide and Conquer +3
3939. Count Non Adjacent Subsets in a Rooted TreeVideo
–51.7%Hard
Array, Depth-First Search +2· 1 company
3965. Finish Time of Tasks IVideo
Solution60.3%Medium
Array, Depth-First Search +2
3997. Count Dominant Nodes in a Binary TreeVideo
Solution72.1%Medium
Binary Tree, Depth-First Search +1
4015. Weighted Sum of a TreeVideo
Solution41.7%Medium
Array, Depth-First Search +1
Showing 251–264 of 264