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Problems

105 problems

Has videoPremium onlyReset
SimulationArray1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 105 results

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TitleSolutionAcceptDifficultyTopics
43. Multiply StringsVideo
Solution44.4%Medium
Math, Simulation +1· 17 companies
54. Spiral MatrixVideo
Solution58.2%Medium
Array, Matrix +1· 49 companies
59. Spiral Matrix IIVideo
Solution76.0%Medium
Array, Matrix +1· 11 companies
289. Game of LifeVideo
Solution73.0%Medium
Array, Matrix +1· 15 companies
348. Design Tic-Tac-ToeVideoPremium
Solution58.8%Medium
Array, Design +3· 13 companies
353. Design Snake GameVideoPremium
Solution40.0%Medium
Array, Design +3· 10 companies
498. Diagonal TraverseVideo
Solution67.1%Medium
Array, Matrix +1· 12 companies
537. Complex Number MultiplicationVideo
Solution73.9%Medium
Math, Simulation +1· 3 companies
544. Output Contest MatchesVideoPremium
Solution77.3%Medium
Recursion, Simulation +1· 1 company
592. Fraction Addition and SubtractionVideo
Solution66.6%Medium
Math, Simulation +1· 5 companies
640. Solve the EquationVideo
Solution46.7%Medium
Math, Simulation +1· 2 companies
723. Candy CrushVideoPremium
Solution77.6%Medium
Array, Matrix +2· 11 companies
735. Asteroid CollisionVideo
Solution49.2%Medium
Array, Simulation +1· 32 companies
755. Pour WaterVideoPremium
Solution49.1%Medium
Array, Simulation· 2 companies
874. Walking Robot SimulationVideo
Solution64.5%Medium
Array, Hash Table +1· 7 companies
885. Spiral Matrix IIIVideo
Solution84.6%Medium
Array, Matrix +1· 8 companies
946. Validate Stack SequencesVideo
Solution70.8%Medium
Array, Simulation +1· 6 companies
950. Reveal Cards In Increasing OrderVideo
Solution83.6%Medium
Array, Queue +2· 4 companies
985. Sum of Even Numbers After QueriesVideo
Solution68.8%Medium
Array, Simulation· 1 company
1006. Clumsy FactorialVideo
Solution61.8%Medium
Math, Simulation +1· 4 companies
1041. Robot Bounded In CircleVideo
Solution56.6%Medium
Math, Simulation +1· 11 companies
1094. Car PoolingVideo
Solution56.5%Medium
Array, Heap (Priority Queue) +3· 12 companies
1222. Queens That Can Attack the KingVideo
Solution72.6%Medium
Array, Matrix +1· 2 companies
1324. Print Words VerticallyVideo
Solution68.1%Medium
Array, Simulation +1· 2 companies
1409. Queries on a Permutation With KeyVideo
Solution84.9%Medium
Array, Binary Indexed Tree +1· 1 company
1441. Build an Array With Stack OperationsVideo
Solution81.0%Medium
Array, Simulation +1· 4 companies
1503. Last Moment Before All Ants Fall Out of a PlankVideo
Solution68.3%Medium
Array, Brainteaser +1· 1 company
1535. Find the Winner of an Array GameVideo
Solution56.8%Medium
Array, Simulation· 4 companies
1545. Find Kth Bit in Nth Binary StringVideo
Solution73.7%Medium
Recursion, Simulation +1· 5 companies
1562. Find Latest Group of Size MVideo
Solution43.8%Medium
Array, Binary Search +2· 1 company
1583. Count Unhappy FriendsVideo
Solution62.6%Medium
Array, Simulation· 2 companies
1599. Maximum Profit of Operating a Centennial WheelVideo
Solution44.6%Medium
Array, Simulation· 1 company
1680. Concatenation of Consecutive Binary NumbersVideo
Solution66.6%Medium
Bit Manipulation, Math +1· 3 companies
1701. Average Waiting TimeVideo
Solution73.1%Medium
Array, Simulation· 3 companies
1706. Where Will the Ball FallVideo
Solution72.5%Medium
Array, Matrix +1· 1 company
1801. Number of Orders in the BacklogVideo
Solution54.9%Medium
Array, Heap (Priority Queue) +1· 4 companies
1806. Minimum Number of Operations to Reinitialize a PermutationVideo
Solution72.9%Medium
Array, Math +1· 1 company
1823. Find the Winner of the Circular GameVideo
Solution82.4%Medium
Array, Math +3· 12 companies
1860. Incremental Memory LeakVideo
Solution73.0%Medium
Math, Simulation· 1 company
1894. Find the Student that Will Replace the ChalkVideo
Solution53.2%Medium
Array, Binary Search +2· 2 companies
1910. Remove All Occurrences of a SubstringVideo
Solution78.2%Medium
Simulation, Stack +1· 13 companies
1914. Cyclically Rotating a GridVideo
Solution74.2%Medium
Array, Matrix +1· 3 companies
2028. Find Missing ObservationsVideo
Solution57.5%Medium
Array, Math +1· 5 companies
2043. Simple Bank SystemVideo
Solution69.7%Medium
Array, Design +2· 20 companies
2061. Number of Spaces Cleaning Robot CleanedVideoPremium
Solution64.3%Medium
Array, Matrix +1· 2 companies
2069. Walking Robot Simulation IIVideo
Solution43.2%Medium
Design, Simulation· 2 companies
2075. Decode the Slanted CiphertextVideo
Solution67.3%Medium
Simulation, String· 3 companies
2079. Watering PlantsVideo
Solution79.9%Medium
Array, Simulation· 3 companies
2105. Watering Plants IIVideo
Solution48.8%Medium
Array, Simulation +1· 1 company
2109. Adding Spaces to a StringVideo
Solution71.8%Medium
Array, Simulation +2· 5 companies
Showing 1–50 of 105