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Heap (Priority Queue)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

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TitleSolutionAcceptDifficultyTopics

253. Meeting Rooms IIVideoPremium

Solution52.6%Medium

Array, Greedy +4· 42 companies

272. Closest Binary Search Tree Value IIVideoPremium

Solution61.1%Hard

Binary Search Tree, Binary Tree +5· 3 companies

358. Rearrange String k Distance ApartVideoPremium

Solution39.9%Hard

Counting, Greedy +4· 4 companies

499. The Maze IIIVideoPremium

Solution52.3%Hard

Array, Breadth-First Search +6· 1 company

505. The Maze IIVideoPremium

Solution55.0%Medium

Array, Breadth-First Search +5· 5 companies

642. Design Search Autocomplete SystemVideoPremium

Solution49.9%Hard

Data Stream, Depth-First Search +5· 12 companies

683. K Empty SlotsVideoPremium

Solution38.0%Hard

Array, Binary Indexed Tree +6· 1 company

759. Employee Free TimeVideoPremium

Solution72.9%Hard

Array, Heap (Priority Queue) +1· 12 companies

1086. High FiveVideoPremium

Solution74.5%Easy

Array, Hash Table +2· 2 companies

1102. Path With Maximum Minimum ValueVideoPremium

Solution54.6%Medium

Array, Binary Search +5· 3 companies

1135. Connecting Cities With Minimum CostVideoPremium

Solution63.5%Medium

Graph, Heap (Priority Queue) +2· 1 company

1167. Minimum Cost to Connect SticksVideoPremium

Solution71.8%Medium

Array, Greedy +1· 5 companies

1168. Optimize Water Distribution in a VillageVideoPremium

Solution65.5%Hard

Graph, Heap (Priority Queue) +2· 2 companies

1183. Maximum Number of OnesVideoPremium

Solution70.6%Hard

Greedy, Heap (Priority Queue)· 1 company

1199. Minimum Time to Build BlocksVideoPremium

Solution49.2%Hard

Array, Greedy +2· 1 company

1500. Design a File Sharing SystemVideoPremium

Solution41.7%Medium

Data Stream, Design +3· 1 company

1810. Minimum Path Cost in a Hidden GridVideoPremium

Solution58.7%Medium

Breadth-First Search, Depth-First Search +3· 2 companies

2015. Average Height of Buildings in Each SegmentVideoPremium

Solution57.9%Medium

Array, Greedy +2· 1 company

2093. Minimum Cost to Reach City With DiscountsVideoPremium

Solution62.4%Medium

Graph, Heap (Priority Queue) +1· 2 companies

2473. Minimum Cost to Buy ApplesVideoPremium

Solution67.5%Medium

Array, Graph +2· 2 companies

2599. Make the Prefix Sum Non-negativeVideoPremium

Solution51.9%Medium

Array, Greedy +1· 1 company

2714. Find Shortest Path with K HopsVideoPremium

Solution68.7%Hard

Graph, Heap (Priority Queue) +1· 1 company

2737. Find the Closest Marked NodeVideoPremium

Solution65.4%Medium

Array, Graph +2

2969. Minimum Number of Coins for Fruits IIVideoPremium

Solution49.2%Hard

Array, Dynamic Programming +3

3391. Design a 3D Binary Matrix with Efficient Layer TrackingVideoPremium

Solution66.1%Medium

Array, Design +4· 1 company

3422. Minimum Operations to Make Subarray Elements EqualPremium

Solution46.8%Medium

Array, Hash Table +3

3476. Maximize Profit from Task AssignmentVideoPremium

Solution65.9%Medium

Array, Greedy +2

3506. Find Time Required to Eliminate Bacterial StrainsPremium

Solution63.2%Hard

Array, Greedy +2

3711. Maximum Transactions Without Negative BalanceVideoPremium

Solution46.1%Medium

Array, Greedy +1· 1 company

3763. Maximum Total Sum with Threshold ConstraintsVideoPremium

Solution82.4%Medium

Array, Greedy +2

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