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Problems

117 problems

Has videoPremium onlyReset
Heap (Priority Queue)Array1,196Hash Table465String434Greedy327Math327Dynamic Programming324Sorting300Depth-First Search208Binary Search187Breadth-First Search165Matrix163Tree157Prefix Sum153Two Pointers148Database135All topics

Medium · With video · 117 results

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TitleSolutionAcceptDifficultyTopics
215. Kth Largest Element in an ArrayVideo
Solution69.4%Medium
Array, Divide and Conquer +3· 41 companies
253. Meeting Rooms IIVideoPremium
Solution52.6%Medium
Array, Greedy +4· 42 companies
264. Ugly Number IIVideo
Solution49.7%Medium
Dynamic Programming, Hash Table +2· 9 companies
347. Top K Frequent ElementsVideo
Solution67.3%Medium
Array, Bucket Sort +6· 53 companies
355. Design TwitterVideo
Solution45.6%Medium
Design, Hash Table +2· 14 companies
373. Find K Pairs with Smallest SumsVideo
Solution42.3%Medium
Array, Heap (Priority Queue)· 10 companies
378. Kth Smallest Element in a Sorted MatrixVideo
Solution65.1%Medium
Array, Binary Search +3· 10 companies
451. Sort Characters By FrequencyVideo
Solution75.8%Medium
Bucket Sort, Counting +4· 16 companies
505. The Maze IIVideoPremium
Solution55.0%Medium
Array, Breadth-First Search +5· 5 companies
621. Task SchedulerVideo
Solution64.0%Medium
Array, Counting +4· 24 companies
658. Find K Closest ElementsVideo
Solution50.1%Medium
Array, Binary Search +4· 18 companies
659. Split Array into Consecutive SubsequencesVideo
Solution52.7%Medium
Array, Greedy +2· 2 companies
692. Top K Frequent WordsVideo
Solution60.6%Medium
Bucket Sort, Counting +5· 23 companies
743. Network Delay TimeVideo
Solution61.7%Medium
Breadth-First Search, Depth-First Search +3· 9 companies
767. Reorganize StringVideo
Solution57.5%Medium
Counting, Greedy +4· 20 companies
786. K-th Smallest Prime FractionVideo
Solution69.0%Medium
Array, Binary Search +3· 1 company
787. Cheapest Flights Within K StopsVideo
Solution42.7%Medium
Breadth-First Search, Depth-First Search +4· 18 companies
855. Exam RoomVideo
Solution43.6%Medium
Design, Heap (Priority Queue) +1· 6 companies
912. Sort an ArrayVideo
Solution55.9%Medium
Array, Bucket Sort +6· 12 companies
973. K Closest Points to OriginVideo
Solution69.4%Medium
Array, Divide and Conquer +5· 17 companies
1054. Distant BarcodesVideo
Solution49.3%Medium
Array, Counting +4· 2 companies
1094. Car PoolingVideo
Solution56.5%Medium
Array, Heap (Priority Queue) +3· 12 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
1268. Search Suggestions SystemVideo
Solution65.1%Medium
Array, Binary Search +4· 19 companies
1338. Reduce Array Size to The HalfVideo
Solution69.5%Medium
Array, Greedy +3· 1 company
1353. Maximum Number of Events That Can Be AttendedVideo
Solution38.9%Medium
Array, Greedy +2· 16 companies
1405. Longest Happy StringVideo
Solution65.5%Medium
Greedy, Heap (Priority Queue) +1· 8 companies
1424. Diagonal Traverse IIVideo
Solution58.3%Medium
Array, Heap (Priority Queue) +1· 5 companies
1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to LimitVideo
Solution58.1%Medium
Array, Heap (Priority Queue) +4· 15 companies
1488. Avoid Flood in The CityVideo
Solution39.0%Medium
Array, Binary Search +3· 6 companies
1500. Design a File Sharing SystemVideoPremium
Solution41.7%Medium
Data Stream, Design +3· 1 company
1514. Path with Maximum ProbabilityVideo
Solution65.9%Medium
Array, Graph +2· 5 companies
1631. Path With Minimum EffortVideo
Solution64.1%Medium
Array, Binary Search +5· 9 companies
1642. Furthest Building You Can ReachVideo
Solution50.8%Medium
Array, Greedy +1· 15 companies
1648. Sell Diminishing-Valued Colored BallsVideo
Solution30.5%Medium
Array, Binary Search +4· 5 companies
1686. Stone Game VIVideo
Solution62.0%Medium
Array, Game Theory +4
1696. Jump Game VIVideo
Solution46.4%Medium
Array, Dynamic Programming +3· 6 companies
1705. Maximum Number of Eaten ApplesVideo
Solution44.2%Medium
Array, Greedy +1· 1 company
1738. Find Kth Largest XOR Coordinate ValueVideo
Solution64.3%Medium
Array, Bit Manipulation +6· 1 company
1753. Maximum Score From Removing StonesVideo
Solution68.6%Medium
Greedy, Heap (Priority Queue) +1· 1 company
1786. Number of Restricted Paths From First to Last NodeVideo
Solution41.6%Medium
Dynamic Programming, Graph +3· 1 company
1792. Maximum Average Pass RatioVideo
Solution74.1%Medium
Array, Greedy +1· 5 companies
1801. Number of Orders in the BacklogVideo
Solution54.9%Medium
Array, Heap (Priority Queue) +1· 4 companies
1810. Minimum Path Cost in a Hidden GridVideoPremium
Solution58.7%Medium
Breadth-First Search, Depth-First Search +3· 2 companies
1834. Single-Threaded CPUVideo
Solution48.1%Medium
Array, Heap (Priority Queue) +1· 7 companies
1845. Seat Reservation ManagerVideo
Solution67.1%Medium
Design, Heap (Priority Queue)· 4 companies
1878. Get Biggest Three Rhombus Sums in a GridVideo
Solution71.4%Medium
Array, Heap (Priority Queue) +4· 4 companies
1882. Process Tasks Using ServersVideo
Solution42.0%Medium
Array, Heap (Priority Queue)· 4 companies
Showing 1–50 of 117