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Problems

2,209 problems

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

With video · 2,209 results

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TitleSolutionAcceptDifficultyTopics
3984. Divisible GameVideo
–42.3%Medium
Array, Dynamic Programming +3
3985. Palindromic Subarray SumVideo
–34.6%Hard
Array, Binary Search +2
3987. Minimum Total Cost to Process All ElementsVideo
Solution24.7%Medium
Array, Math +1
3988. Create Grid With Exactly K Paths IVideo
–33.1%Medium
Array, Combinatorics +2
3989. Maximum Consistent Columns in a GridVideo
–68.7%Hard
Array, Dynamic Programming +1
3994. Minimum Adjacent Swaps to Partition ArrayVideo
–57.4%Medium
Array, Greedy
3995. Minimum Cost to Convert String IIIVideo
–55.6%Hard
Array, Dynamic Programming +1
3996. Even Number of Knight MovesVideo
Solution75.1%Easy
Array, Math
3998. Transform Binary String Using Subsequence SortVideo
–37.9%Medium
Array, Greedy +2
4001. Aggregate Two Time SeriesVideo
Solution57.9%Medium
Array, Two Pointers
4003. Minimum Cost Path with Alternating Directions IIIVideo
Solution61.4%Hard
Array, Graph +3
4007. Widest Possible FenceVideo
Solution16.9%Hard
Array, Counting +2
4008. Minimum Initial Strength to Defeat All MonstersVideo
Solution50.1%Medium
Array, Binary Search +2
4009. Minimum Possible Maximum Waiting TimeVideo
–29.9%Hard
Array, Dynamic Programming +1
4010. Maximize Pair Strength Using GCDVideo
Solution48.6%Easy
Array, Enumeration +2
4011. Count Subarrays With Even Odd Ratio IVideo
Solution60.6%Medium
Array, Binary Indexed Tree +4
4012. Count of Unfinished Tasks After Each ShiftVideo
Solution41.9%Medium
Array, Binary Search +1
4013. Count Subarrays With Even Odd Ratio IIVideo
Solution40.9%Hard
Array, Binary Indexed Tree +4
4014. Minimum Total Price After Applying DiscountsVideo
Solution71.8%Medium
Array, Greedy +2
4015. Weighted Sum of a TreeVideo
Solution41.7%Medium
Array, Depth-First Search +1
4016. Maximum Area of Two Non-Overlapping Square SubmatricesVideo
Solution40.9%Medium
Array, Binary Search +2
4017. Peaks in Array IIVideo
–28.4%Hard
Array, Divide and Conquer +1
4020. Elevator Requests IVideo
Solution84.1%Easy
Array, Simulation
4023. Elevator Requests IIVideo
–27.6%Hard
Array, Dynamic Programming +1
4024. Nearest Available DroneVideo
Solution66.8%Easy
Array, Enumeration
4025. Minimize the Maximum Waiting Time at Synchronized Traffic LightsVideo
Solution64.7%Medium
Array, Greedy
4027. Elevator Requests IIIVideo
Solution45.7%Hard
Array, Bit Manipulation +3
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
Array, Math
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
Array, Math +1
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
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
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
Showing 2,151–2,200 of 2,209