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Problems

4,005 problems

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

With video · 4,005 results

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TitleSolutionAcceptDifficultyTopics
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
3975. Filter Occupied IntervalsVideo
Solution44.6%Medium
Array, Sorting· 1 company
3976. Maximum Subarray Sum After MultiplierVideo
Solution25.9%Medium
Array, Dynamic Programming· 2 companies
3977. Minimum Time to Reach Target With Limited PowerVideo
Solution40.4%Hard
Array, Dynamic Programming +3
3978. Unique Middle ElementVideo
Solution72.3%Easy
Array, Counting
3979. Maximum Valid Pair SumVideo
Solution49.2%Medium
Array, Enumeration
3980. Minimum Operations to Transform Binary StringVideo
–37.0%Medium
Dynamic Programming, Greedy +1
3981. Count Distinct Ways to Form Target from Two StringsVideo
–46.4%Hard
Dynamic Programming, Prefix Sum +1
3982. Sum of Integers with Maximum Digit RangeVideo
Solution72.9%Easy
Array, Math
3983. Subsequence After One ReplacementVideo
Solution21.6%Medium
String, Two Pointers
3984. Divisible GameVideo
–42.3%Medium
Array, Dynamic Programming +3
3985. Palindromic Subarray SumVideo
–34.6%Hard
Array, Binary Search +2
3986. Number of Elapsed Seconds Between Two TimesVideo
Solution82.5%Easy
Math, String
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
3992. Rearrange String to Avoid Character PairVideo
Solution77.8%Easy
Sorting, String +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
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
3997. Count Dominant Nodes in a Binary TreeVideo
Solution72.1%Medium
Binary Tree, Depth-First Search +1
3998. Transform Binary String Using Subsequence SortVideo
–37.9%Medium
Array, Greedy +2
3999. Minimum Number of String Groups Through TransformationsVideo
–47.9%Hard
Hash Table, String +1
4000. Largest Integer With Given Digit SumVideo
Solution61.6%Easy
Greedy, Math
4001. Aggregate Two Time SeriesVideo
Solution57.9%Medium
Array, Two Pointers
4002. Count Valid SequencesVideo
Solution42.5%Medium
Combinatorics, Math
4003. Minimum Cost Path with Alternating Directions IIIVideo
Solution61.4%Hard
Array, Graph +3
4006. Count Valid PrefixesVideo
Solution78.0%Easy
Counting, String
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
4019. Merge Close Characters IIVideoPremium
Solution78.7%Medium
–
4020. Elevator Requests IVideo
Solution84.1%Easy
Array, Simulation
4021. Minimum Operations to Make a Rotated Palindrome IVideo
Solution63.9%Medium
Enumeration, Math +1
4022. K-th Digit in Infinite StringVideo
Solution35.1%Medium
Binary Search, Math
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
4026. Maximum Gap Between StationsVideo
Solution52.4%Medium
Greedy, String +1
4027. Elevator Requests IIIVideo
Solution45.7%Hard
Array, Bit Manipulation +3
Showing 3,901–3,950 of 4,005