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Problems

338 problems

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

338 results

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TitleSolutionAcceptDifficultyTopics
3331. Find Subtree Sizes After ChangesVideo
Solution52.8%Medium
Array, Depth-First Search +3
3367. Maximize Sum of Weights after Edge RemovalsVideo
Solution33.1%Hard
Depth-First Search, Dynamic Programming +2· 1 company
3372. Maximize the Number of Target Nodes After Connecting Trees IVideo
Solution69.5%Medium
Breadth-First Search, Depth-First Search +1· 2 companies
3373. Maximize the Number of Target Nodes After Connecting Trees IIVideo
Solution72.5%Hard
Breadth-First Search, Depth-First Search +1· 2 companies
3376. Minimum Time to Break Locks IVideo
Solution32.8%Medium
Array, Backtracking +4· 1 company
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
3387. Maximize Amount After Two Days of ConversionsVideo
Solution60.6%Medium
Array, Breadth-First Search +3· 3 companies
3419. Minimize the Maximum Edge Weight of GraphVideo
–45.2%Medium
Binary Search, Breadth-First Search +3· 2 companies
3425. Longest Special PathVideo
–23.2%Hard
Array, Depth-First Search +3
3481. Apply SubstitutionsVideoPremium
Solution78.0%Medium
Array, Breadth-First Search +5· 1 company
3486. Longest Special Path IIVideo
–19.8%Hard
Array, Depth-First Search +3· 1 company
3493. Properties GraphVideo
Solution48.6%Medium
Array, Breadth-First Search +4· 1 company
3515. Shortest Path in a Weighted TreeVideo
–41.5%Hard
Array, Binary Indexed Tree +3· 1 company
3528. Unit Conversion IVideo
Solution53.3%Medium
Breadth-First Search, Depth-First Search +1· 1 company
3535. Unit Conversion IIVideoPremium
Solution61.5%Medium
Array, Breadth-First Search +3· 1 company
3544. Subtree Inversion SumVideo
–41.6%Hard
Array, Depth-First Search +2
3553. Minimum Weighted Subgraph With the Required Paths IIVideo
–48.2%Hard
Array, Bit Manipulation +3
3558. Number of Ways to Assign Edge Weights IVideo
Solution63.7%Medium
Depth-First Search, Math +1· 2 companies
3559. Number of Ways to Assign Edge Weights IIVideo
Solution71.8%Hard
Array, Bit Manipulation +4· 3 companies
3562. Maximum Profit from Trading Stocks with DiscountsVideo
Solution56.1%Hard
Array, Depth-First Search +2· 2 companies
3575. Maximum Good Subtree ScoreVideo
–44.0%Hard
Array, Bit Manipulation +4· 1 company
3585. Find Weighted Median Node in TreeVideo
Solution26.7%Hard
Array, Binary Search +4· 1 company
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
3607. Power Grid MaintenanceVideo
Solution56.3%Medium
Array, Breadth-First Search +6· 7 companies
3619. Count Islands With Total Value Divisible by KVideo
Solution55.5%Medium
Array, Breadth-First Search +3· 2 companies
3710. Maximum Partition FactorVideo
–31.8%Hard
Array, Binary Search +4· 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
3812. Minimum Edge Toggles on a TreeVideo
Solution65.6%Hard
Depth-First Search, Graph +3
3831. Median of a Binary Search Tree LevelVideoPremium
Solution86.4%Medium
Binary Search Tree, Binary Tree +3
3910. Count Connected Subgraphs with Even Node SumVideo
Solution59.0%Hard
Array, Bit Manipulation +5
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 301–338 of 338