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Problems

673 problems

Has videoPremium onlyReset
Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

673 results

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TitleSolutionAcceptDifficultyTopics
894. All Possible Full Binary TreesVideo
Solution82.8%Medium
Binary Tree, Dynamic Programming +3· 5 companies
898. Bitwise ORs of SubarraysVideo
Solution56.8%Medium
Array, Bit Manipulation +1· 7 companies
902. Numbers At Most N Given Digit SetVideo
Solution45.9%Hard
Array, Binary Search +3· 4 companies
903. Valid Permutations for DI SequenceVideo
Solution56.9%Hard
Dynamic Programming, Prefix Sum +1
907. Sum of Subarray MinimumsVideo
Solution39.0%Medium
Array, Dynamic Programming +2· 13 companies
913. Cat and MouseVideo
Solution36.2%Hard
Dynamic Programming, Game Theory +4· 3 companies
918. Maximum Sum Circular SubarrayVideo
Solution51.5%Medium
Array, Divide and Conquer +3· 12 companies
920. Number of Music PlaylistsVideo
Solution60.3%Hard
Combinatorics, Dynamic Programming +1· 2 companies
926. Flip String to Monotone IncreasingVideo
Solution61.5%Medium
Dynamic Programming, String· 5 companies
931. Minimum Falling Path SumVideo
Solution60.8%Medium
Array, Dynamic Programming +1· 8 companies
935. Knight DialerVideo
Solution61.8%Medium
Dynamic Programming· 6 companies
940. Distinct Subsequences IIVideo
Solution56.7%Hard
Dynamic Programming, String· 2 companies
943. Find the Shortest SuperstringVideo
Solution45.8%Hard
Array, Bit Manipulation +3· 2 companies
956. Tallest BillboardVideo
Solution52.0%Hard
Array, Dynamic Programming· 6 companies
960. Delete Columns to Make Sorted IIIVideo
Solution72.7%Hard
Array, Dynamic Programming +1· 2 companies
964. Least Operators to Express NumberVideo
Solution48.3%Hard
Dynamic Programming, Math +1· 1 company
968. Binary Tree CamerasVideo
Solution48.3%Hard
Binary Tree, Depth-First Search +2· 14 companies
975. Odd Even JumpVideo
Solution41.7%Hard
Array, Dynamic Programming +3· 3 companies
978. Longest Turbulent SubarrayVideo
Solution49.6%Medium
Array, Dynamic Programming +1· 3 companies
983. Minimum Cost For TicketsVideo
Solution67.4%Medium
Array, Dynamic Programming· 12 companies
996. Number of Squareful ArraysVideo
Solution51.9%Hard
Array, Backtracking +5· 2 companies
1000. Minimum Cost to Merge StonesVideo
Solution47.0%Hard
Array, Dynamic Programming +1· 4 companies
1012. Numbers With Repeated DigitsVideo
Solution48.9%Hard
Dynamic Programming, Math· 2 companies
1014. Best Sightseeing PairVideo
Solution62.7%Medium
Array, Dynamic Programming· 6 companies
1024. Video StitchingVideo
Solution52.6%Medium
Array, Dynamic Programming +1· 3 companies
1025. Divisor GameVideo
Solution72.3%Easy
Brainteaser, Dynamic Programming +2· 7 companies
1027. Longest Arithmetic SubsequenceVideo
Solution49.9%Medium
Array, Binary Search +2· 6 companies
1031. Maximum Sum of Two Non-Overlapping SubarraysVideo
Solution61.4%Medium
Array, Dynamic Programming +1· 1 company
1035. Uncrossed LinesVideo
Solution65.7%Medium
Array, Dynamic Programming· 4 companies
1039. Minimum Score Triangulation of PolygonVideo
Solution67.4%Medium
Array, Dynamic Programming· 5 companies
1043. Partition Array for Maximum SumVideo
Solution77.4%Medium
Array, Dynamic Programming· 6 companies
1048. Longest String ChainVideo
Solution63.5%Medium
Array, Dynamic Programming +4· 16 companies
1049. Last Stone Weight IIVideo
Solution61.2%Medium
Array, Dynamic Programming· 5 companies
1062. Longest Repeating SubstringVideoPremium
Solution63.4%Medium
Binary Search, Dynamic Programming +4· 4 companies
1066. Campus Bikes IIVideoPremium
Solution55.9%Medium
Array, Backtracking +3· 1 company
1067. Digit Count in RangeVideoPremium
Solution46.4%Hard
Dynamic Programming, Math· 1 company
1092. Shortest Common Supersequence Video
Solution62.4%Hard
Dynamic Programming, String· 5 companies
1105. Filling Bookcase ShelvesVideo
Solution68.7%Medium
Array, Dynamic Programming· 5 companies
1125. Smallest Sufficient TeamVideo
Solution55.5%Hard
Array, Bit Manipulation +2· 1 company
1130. Minimum Cost Tree From Leaf ValuesVideo
Solution67.7%Medium
Array, Dynamic Programming +3· 4 companies
1137. N-th Tribonacci NumberVideo
Solution63.2%Easy
Dynamic Programming, Math +1· 7 companies
1139. Largest 1-Bordered SquareVideo
Solution52.7%Medium
Array, Dynamic Programming +1· 4 companies
1140. Stone Game IIVideo
Solution75.8%Medium
Array, Dynamic Programming +3· 5 companies
1143. Longest Common SubsequenceVideo
Solution59.6%Medium
Dynamic Programming, String· 19 companies
1147. Longest Chunked Palindrome DecompositionVideo
Solution58.6%Hard
Dynamic Programming, Greedy +4· 1 company
1155. Number of Dice Rolls With Target SumVideo
Solution62.2%Medium
Dynamic Programming· 5 companies
1162. As Far from Land as PossibleVideo
Solution52.2%Medium
Array, Breadth-First Search +2· 7 companies
1182. Shortest Distance to Target ColorVideoPremium
Solution56.5%Medium
Array, Binary Search +1· 1 company
1186. Maximum Subarray Sum with One DeletionVideo
Solution50.0%Medium
Array, Dynamic Programming· 4 companies
1187. Make Array Strictly IncreasingVideo
Solution58.0%Hard
Array, Binary Search +2
Showing 151–200 of 673