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Problems

480 problems

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Array2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 480 results

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TitleSolutionAcceptDifficultyTopics
3810. Minimum Operations to Reach Target ArrayVideo
Solution62.7%Medium
Array, Greedy +1
3816. Lexicographically Smallest String After Deleting Duplicate CharactersVideo
Solution20.9%Hard
Greedy, Hash Table +3· 2 companies
3849. Maximum Bitwise XOR After RearrangementVideo
Solution70.4%Medium
Bit Manipulation, Greedy +1
3854. Minimum Operations to Make Array Parity AlternatingVideo
Solution17.1%Medium
Array, Greedy
3858. Minimum Bitwise OR From GridVideo
Solution27.5%Medium
Array, Bit Manipulation +2· 1 company
3868. Minimum Cost to Equalize Arrays Using SwapsVideo
Solution48.7%Medium
Array, Counting +2· 2 companies
3891. Minimum Increase to Maximize Special IndicesVideo
Solution19.8%Medium
Array, Dynamic Programming +2· 1 company
3897. Maximum Value of Concatenated Binary SegmentsVideo
Solution26.7%Hard
Array, Greedy +1
3914. Minimum Operations to Make Array Non DecreasingVideo
Solution54.9%Medium
Array, Greedy· 1 company
3919. Minimum Cost to Move Between IndicesVideo
Solution49.4%Medium
Array, Greedy +1
3927. Minimize Array Sum Using Divisible ReplacementsVideo
–32.2%Medium
Array, Greedy +3· 1 company
3946. Maximum Number of Items From Sale IVideo
Solution37.3%Medium
Array, Dynamic Programming +1· 1 company
3947. Maximum Number of Items From Sale IIVideo
–30.2%Medium
Array, Greedy +2
3948. Lexicographically Maximum MEX ArrayVideo
–53.6%Hard
Array, Greedy +2· 2 companies
3952. Maximum Total Value of Covered IndicesVideo
–28.5%Medium
Array, Dynamic Programming +2· 1 company
3961. Maximize Sum of Device RatingsVideo
Solution39.4%Medium
Array, Greedy +2· 2 companies
3962. Maximum Subarray Sum After at Most K SwapsVideo
Solution14.2%Hard
Array, Binary Indexed Tree +5· 1 company
3971. Maximum Total ValueVideo
–29.7%Hard
Array, Binary Search +2· 1 company
3974. Maximum Total Sum of K Selected ElementsVideo
Solution49.1%Medium
Array, Greedy +1
3980. Minimum Operations to Transform Binary StringVideo
–37.0%Medium
Dynamic Programming, Greedy +1
3993. Maximum Value of an Alternating SequenceVideo
Solution31.5%Medium
Greedy, Math
3994. Minimum Adjacent Swaps to Partition ArrayVideo
–57.4%Medium
Array, Greedy
3998. Transform Binary String Using Subsequence SortVideo
–37.9%Medium
Array, Greedy +2
4000. Largest Integer With Given Digit SumVideo
Solution61.6%Easy
Greedy, Math
4008. Minimum Initial Strength to Defeat All MonstersVideo
Solution50.1%Medium
Array, Binary Search +2
4014. Minimum Total Price After Applying DiscountsVideo
Solution71.8%Medium
Array, Greedy +2
4025. Minimize the Maximum Waiting Time at Synchronized Traffic LightsVideo
Solution64.7%Medium
Array, Greedy
4026. Maximum Gap Between StationsVideo
Solution52.4%Medium
Greedy, String +1
4036. Lexicographically Largest String After Pair TransformationsVideo
Solution42.8%Medium
Array, Bit Manipulation +2
4059. Lexicographically Largest Power ArrayVideo
–24.9%Hard
Array, Bit Manipulation +1
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