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Array2,209 String870 Hash Table786 Math682 Dynamic Programming666 Sorting504 Greedy480 Binary Search352 Depth-First Search335 Database303 Bit Manipulation283 Matrix278 Tree261 Breadth-First Search255 Two Pointers249 All topics

With video · 4,009 results

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TitleSolutionAcceptDifficultyTopics

1901. Find a Peak Element IIVideo

Solution55.7%Medium

Array, Binary Search +1· 7 companies

1902. Depth of BST Given Insertion OrderVideoPremium

Solution42.5%Medium

Array, Binary Search Tree +3

1903. Largest Odd Number in StringVideo

Solution67.7%Easy

Greedy, Math +1· 6 companies

1904. The Number of Full Rounds You Have PlayedVideo

Solution43.9%Medium

Math, String· 1 company

1905. Count Sub IslandsVideo

Solution72.8%Medium

Array, Breadth-First Search +3· 5 companies

1906. Minimum Absolute Difference QueriesVideo

Solution46.4%Medium

Array, Hash Table· 1 company

1907. Count Salary CategoriesVideo

Solution65.7%Medium

Database· 5 companies

1908. Game of NimVideoPremium

Solution62.4%Medium

Array, Bit Manipulation +4

1909. Remove One Element to Make the Array Strictly IncreasingVideo

Solution30.8%Easy

Array· 2 companies

1910. Remove All Occurrences of a SubstringVideo

Solution78.2%Medium

Simulation, Stack +1· 13 companies

1911. Maximum Alternating Subsequence SumVideo

Solution59.4%Medium

Array, Dynamic Programming· 4 companies

1912. Design Movie Rental SystemVideo

Solution62.5%Hard

Array, Design +3· 2 companies

1913. Maximum Product Difference Between Two PairsVideo

Solution82.9%Easy

1914. Cyclically Rotating a GridVideo

Solution74.2%Medium

Array, Matrix +1· 3 companies

1915. Number of Wonderful SubstringsVideo

Solution66.8%Medium

Bit Manipulation, Hash Table +2· 2 companies

1916. Count Ways to Build Rooms in an Ant ColonyVideo

Solution52.4%Hard

Combinatorics, Dynamic Programming +4· 1 company

1917. Leetcodify Friends RecommendationsVideoPremium

Solution29.0%Hard

Database· 1 company

1918. Kth Smallest Subarray SumVideoPremium

Solution53.4%Medium

Array, Binary Search +1· 1 company

1919. Leetcodify Similar FriendsVideoPremium

Solution43.5%Hard

Database· 1 company

1920. Build Array from PermutationVideo

Solution91.1%Easy

Array, Simulation· 5 companies

1921. Eliminate Maximum Number of MonstersVideo

Solution50.9%Medium

Array, Greedy +1· 3 companies

1922. Count Good NumbersVideo

Solution58.1%Medium

Math, Recursion· 7 companies

1923. Longest Common SubpathVideo

Solution30.7%Hard

Array, Binary Search +3· 1 company

1924. Erect the Fence IIVideoPremium

–49.4%Hard

Array, Geometry +1· 1 company

1925. Count Square Sum TriplesVideo

Solution77.2%Easy

Enumeration, Math· 5 companies

1926. Nearest Exit from Entrance in MazeVideo

Solution49.0%Medium

Array, Breadth-First Search +1· 9 companies

1927. Sum GameVideo

Solution63.5%Medium

Game Theory, Greedy +2· 1 company

1928. Minimum Cost to Reach Destination in TimeVideo

Solution42.6%Hard

Array, Dynamic Programming +1· 6 companies

1929. Concatenation of ArrayVideo

Solution90.2%Easy

Array, Simulation· 7 companies

1930. Unique Length-3 Palindromic SubsequencesVideo

Solution73.8%Medium

Bit Manipulation, Hash Table +2· 6 companies

1931. Painting a Grid With Three Different ColorsVideo

Solution77.2%Hard

Dynamic Programming· 7 companies

1932. Merge BSTs to Create Single BSTVideo

Solution40.3%Hard

Binary Search, Binary Tree +3· 3 companies

1933. Check if String Is Decomposable Into Value-Equal SubstringsVideoPremium

Solution50.4%Easy

1934. Confirmation RateVideo

Solution63.0%Medium

Database· 5 companies

1935. Maximum Number of Words You Can TypeVideo

Solution82.9%Easy

Hash Table, String· 4 companies

1936. Add Minimum Number of RungsVideo

Solution43.8%Medium

1937. Maximum Number of Points with CostVideo

Solution41.8%Medium

Array, Dynamic Programming +1· 4 companies

1938. Maximum Genetic Difference QueryVideo

Solution48.6%Hard

Array, Bit Manipulation +3· 1 company

1939. Users That Actively Request Confirmation MessagesVideoPremium

Solution56.4%Easy

1940. Longest Common Subsequence Between Sorted ArraysVideoPremium

Solution81.3%Medium

Array, Counting +1· 1 company

1941. Check if All Characters Have Equal Number of OccurrencesVideo

Solution79.4%Easy

Counting, Hash Table +1· 4 companies

1942. The Number of the Smallest Unoccupied ChairVideo

Solution60.3%Medium

Array, Hash Table +1· 5 companies

1943. Describe the PaintingVideo

Solution53.3%Medium

Array, Hash Table +2· 3 companies

1944. Number of Visible People in a QueueVideo

Solution73.3%Hard

Array, Monotonic Stack +1· 17 companies

1945. Sum of Digits of String After ConvertVideo

Solution74.9%Easy

Simulation, String· 5 companies

1946. Largest Number After Mutating SubstringVideo

Solution38.5%Medium

Array, Greedy +1· 1 company

1947. Maximum Compatibility Score SumVideo

Solution65.0%Medium

Array, Backtracking +3· 1 company

1948. Delete Duplicate Folders in SystemVideo

Solution77.7%Hard

Array, Hash Function +3· 6 companies

1949. Strong FriendshipVideoPremium

Solution54.6%Medium

Database· 2 companies

1950. Maximum of Minimum Values in All SubarraysVideoPremium

Solution48.0%Medium

Array, Monotonic Stack +1· 1 company

Showing 1,901–1,950 of 4,009