Skip to content

For employers Sign in

Make and follow sheets.Sign in

Problems

104 problems

Has video Premium only Reset

Simulation Array1,196 Hash Table465 String434 Greedy327 Math327 Dynamic Programming324 Sorting300 Depth-First Search208 Binary Search187 Breadth-First Search165 Matrix163 Tree157 Prefix Sum153 Two Pointers148 Database135 All topics

Medium · With video · 104 results

Sign in to see which of these you have solved.Sign in

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 104