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Problems

22 problems

Has videoPremium onlyReset
GraphArray194Database104Hash Table83String71Depth-First Search57Dynamic Programming49Tree48Math45Sorting43Breadth-First Search40Greedy40Binary Tree38Binary Search31Two Pointers29Matrix28All topics

Medium · Premium · 22 results

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TitleSolutionAcceptDifficultyTopics
261. Graph Valid TreeVideoPremium
Solution49.9%Medium
Breadth-First Search, Depth-First Search +2· 9 companies
277. Find the CelebrityVideoPremium
Solution48.9%Medium
Graph, Interactive +1· 12 companies
323. Number of Connected Components in an Undirected GraphVideoPremium
Solution64.9%Medium
Breadth-First Search, Depth-First Search +2· 7 companies
444. Sequence ReconstructionVideoPremium
Solution31.2%Medium
Array, Graph +1· 2 companies
505. The Maze IIVideoPremium
Solution55.0%Medium
Array, Breadth-First Search +5· 5 companies
1059. All Paths from Source Lead to DestinationVideoPremium
Solution37.2%Medium
Graph, Topological Sort· 1 company
1135. Connecting Cities With Minimum CostVideoPremium
Solution63.5%Medium
Graph, Heap (Priority Queue) +2· 1 company
1136. Parallel CoursesVideoPremium
Solution62.1%Medium
Graph, Topological Sort· 7 companies
1245. Tree DiameterVideoPremium
Solution61.1%Medium
Breadth-First Search, Depth-First Search +3· 7 companies
1778. Shortest Path in a Hidden GridVideoPremium
Solution44.5%Medium
Breadth-First Search, Depth-First Search +2· 3 companies
1810. Minimum Path Cost in a Hidden GridVideoPremium
Solution58.7%Medium
Breadth-First Search, Depth-First Search +3· 2 companies
1820. Maximum Number of Accepted InvitationsVideoPremium
Solution52.4%Medium
Array, Depth-First Search +2· 2 companies
2077. Paths in Maze That Lead to Same RoomVideoPremium
Solution56.7%Medium
Graph· 1 company
2093. Minimum Cost to Reach City With DiscountsVideoPremium
Solution62.4%Medium
Graph, Heap (Priority Queue) +1· 2 companies
2297. Jump Game VIIIVideoPremium
Solution45.5%Medium
Array, Dynamic Programming +4· 1 company
2473. Minimum Cost to Buy ApplesVideoPremium
Solution67.5%Medium
Array, Graph +2· 2 companies
2737. Find the Closest Marked NodeVideoPremium
Solution65.4%Medium
Array, Graph +2
3481. Apply SubstitutionsVideoPremium
Solution78.0%Medium
Array, Breadth-First Search +5· 1 company
3535. Unit Conversion IIVideoPremium
Solution61.5%Medium
Array, Breadth-First Search +3· 1 company
3656. Determine if a Simple Graph ExistsPremium
–47.5%Medium
Array, Binary Search +3
3787. Find Diameter Endpoints of a TreePremium
Solution65.9%Medium
Breadth-First Search, Graph +1· 1 company
3807. Minimum Cost to Repair Edges to Traverse a GraphVideoPremium
Solution55.6%Medium
Binary Search, Breadth-First Search +1
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