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Problems

4,093 problems · 975 Easy · 2,133 Medium · 985 Hard

Has video Premium only

Array2,237 String877 Hash Table797 Math691 Dynamic Programming673 Sorting508 Greedy485 Binary Search357 Depth-First Search338 Database308 Bit Manipulation286 Matrix279 Tree264 Breadth-First Search257 Prefix Sum252 All topics

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TitleSolutionAcceptDifficultyTopics

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

4055. Count Shadow Pairs II

–18.7%Hard

Array, Binary Indexed Tree +6

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

4060. Count Evenly Good IntegersPremium

Solution78.8%Hard

–

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

4069. Best Time to Buy and Sell Stock with Cooldown IIPremium

–57.4%Medium

–

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

–

4082. Minimum Operations to Stabilize a Binary TreePremium

–62.9%Hard

–

4083. Minimum Deletions to Make Array SharpVideo

Solution70.1%Easy

–

4084. Last Visited Cell in a Directional GridVideo

Solution67.5%Medium

–

4085. Find Root of a Colored TreeVideo

Solution43.5%Medium

–

4086. Minimum Interval Selection to Cover Target IntervalsVideo

Solution34.0%Hard

–

4087. Maximum Subarray Sum of Fixed Length After at Most K SwapsPremium

Solution59.4%Medium

–

4088. Difference Between Peaks and Valleys

–81.7%Easy

–

4089. Count Subarrays With Loose BoundsVideo

–50.0%Medium

–

4090. Count Magical Substring Pairs IVideo

–43.1%Medium

–

4091. Count Magical Substring Pairs IIVideo

–34.0%Hard

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Showing 4,051–4,093 of 4,093