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4,005 problems

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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 · 4,005 results

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TitleSolutionAcceptDifficultyTopics

4029. Elevator Requests IVVideoPremium

Solution58.3%Hard

–

4030. Check ASCII PalindromicVideo

Solution60.2%Easy

Bit Manipulation, String +1

4031. Find All Numbers Disappeared in an Array IIVideo

Solution52.8%Medium

Array, Binary Search +1

4032. Longest Subarray With at Most K Distinct Prime FactorsVideo

Solution56.5%Medium

Array, Hash Table +3

4033. Valid K-Unique Subarrays IVideo

–34.8%Hard

Array, Binary Indexed Tree +4

4034. Minimum Bishop Moves to Reach TargetVideo

Solution65.4%Medium

4035. Maximum Valid Split Positions IVideo

Solution51.8%Medium

Array, Enumeration +2

4036. Lexicographically Largest String After Pair TransformationsVideo

Solution42.8%Medium

Array, Bit Manipulation +2

4037. Maximum Valid Split Positions IIVideo

Solution32.2%Hard

Array, Enumeration +2

4038. Count Integers Appearing in a Single BlockVideo

Solution44.4%Easy

Array, Counting +1

4039. Sum of Decoded NumbersVideo

Solution44.8%Medium

4040. Minimum Operations to Form Subset Sum IVideo

Solution52.4%Medium

Array, Dynamic Programming

4041. Minimum Operations to Form Subset Sum IIVideo

Solution49.3%Hard

Array, Dynamic Programming

4043. Count Rotations With Exactly K Equal Adjacent PairsVideo

Solution72.3%Easy

Enumeration, Sliding Window +1

4044. Count Good Cyclic RotationsVideo

Solution49.0%Medium

Array, Prefix Sum +1

4045. Count Robot GroupsVideo

–31.9%Medium

Array, Monotonic Stack +1

4046. Minimum Cost Path With At Most K TurnsVideo

–53.9%Hard

Array, Graph +3

4048. Count Values With Equally Spaced Occurrences IVideo

Solution75.3%Easy

Array, Hash Table

4049. Count Values With Equally Spaced Occurrences IIVideo

Solution62.9%Medium

Array, Hash Table

4050. Minimum Days to Score Exactly N PointsVideo

Solution42.2%Medium

Dynamic Programming, Math

4051. Count Subarrays with Distant SumsVideo

Solution32.8%Hard

Array, Binary Indexed Tree +3

4052. Cyclically Shift Rows and ColumnsVideo

Solution75.9%Easy

Array, Matrix +1

4053. Minimum Operations to Make Every Element PalindromicVideo

Solution15.5%Medium

Array, Binary Search

4054. Count Shadow Pairs IVideo

–41.8%Medium

Array, Monotonic Stack +1

4056. Number of Intersecting Interval Pairs IVideo

Solution61.8%Easy

Array, Binary Search +2

4057. Number of Intersecting Interval Pairs IIVideo

Solution50.3%Medium

Array, Binary Search +1

4058. Maximum Pulse Value After One Subarray RotationVideo

–38.9%Medium

Array, Dynamic Programming +1

4059. Lexicographically Largest Power ArrayVideo

–24.9%Hard

Array, Bit Manipulation +1

4061. Minimum Queen Moves to Reach TargetVideo

Solution56.7%Easy

4062. Transform Array Using Pair OperationsVideo

Solution60.8%Medium

Array, Brainteaser

4063. Longest Subarray Divisible by K with At Most One Negation IVideo

Solution34.2%Medium

Array, Hash Table +1

4064. Longest Subarray Divisible by K with At Most One Negation IIVideo

Solution24.7%Hard

Array, Binary Search +2

4065. Rearrange Array by Removing Distinct ValuesVideo

Solution75.0%Easy

Array, Counting +5

4066. Maximum Equal Adjacent Pairs After at Most One ReplacementVideo

Solution49.8%Medium

Array, Counting +1

4067. Longest Subarray With Restricted Pair SumsVideo

Solution37.8%Medium

Array, Hash Table +1

4068. Maximize Meeting Earnings with Idle GapsVideo

Solution39.0%Hard

Array, Binary Search +2

4070. Minimum Rotations to Dial a Number IVideo

Solution76.4%Easy

–

4071. Minimum Rotations to Dial a Number IIVideo

Solution53.8%Medium

–

4072. Maximum Alternating Subarray Sum With One DeletionVideo

–29.6%Medium

–

4073. Count Good StringsVideo

–46.8%Hard

–

4074. Maximum Product Pair With Target SumVideo

Solution45.8%Easy

–

4075. Longest Resilient Subarray IVideo

Solution37.5%Medium

–

4076. Longest Resilient Subarray IIVideo

Solution57.7%Medium

–

4077. Minimize Inversions in a Prefix TreeVideo

–38.4%Hard

–

4078. Three Fibonacci SumVideo

Solution63.6%Easy

–

4079. Prime Subset Selection IVideo

Solution44.6%Medium

–

4080. Design Bus Seat Booking SystemVideo

Solution47.3%Medium

–

4081. Prime Subset Selection IIVideo

–40.9%Hard

–

4083. Minimum Deletions to Make Array SharpVideo

Solution70.1%Easy

–

4084. Last Visited Cell in a Directional GridVideo

Solution67.5%Medium

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Showing 3,951–4,000 of 4,005