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Problems

673 problems

Has videoPremium onlyReset
Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

673 results

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TitleSolutionAcceptDifficultyTopics
2850. Minimum Moves to Spread Stones Over GridVideo
Solution46.1%Medium
Array, Breadth-First Search +2· 5 companies
2851. String TransformationVideo
Solution27.4%Hard
Dynamic Programming, Math +2· 3 companies
2858. Minimum Edge Reversals So Every Node Is ReachableVideo
Solution60.2%Hard
Breadth-First Search, Depth-First Search +2· 11 companies
2867. Count Valid Paths in a TreeVideo
Solution36.2%Hard
Depth-First Search, Dynamic Programming +3· 1 company
2876. Count Visited Nodes in a Directed GraphVideo
Solution31.6%Hard
Dynamic Programming, Graph +1· 1 company
2892. Minimizing Array After Replacing Pairs With Their ProductVideoPremium
Solution40.6%Medium
Array, Dynamic Programming +1· 1 company
2896. Apply Operations to Make Two Strings EqualVideo
Solution27.7%Medium
Dynamic Programming, String· 1 company
2900. Longest Unequal Adjacent Groups Subsequence IVideo
Solution67.0%Easy
Array, Dynamic Programming +2· 1 company
2901. Longest Unequal Adjacent Groups Subsequence IIVideo
Solution51.4%Medium
Array, Dynamic Programming +1· 2 companies
2902. Count of Sub-Multisets With Bounded SumVideo
Solution22.3%Hard
Array, Dynamic Programming +2
2911. Minimum Changes to Make K Semi-palindromesVideo
Solution35.3%Hard
Dynamic Programming, String +1
2912. Number of Ways to Reach Destination in the GridPremium
Solution57.7%Hard
Combinatorics, Dynamic Programming +1· 1 company
2915. Length of the Longest Subsequence That Sums to TargetVideo
Solution40.0%Medium
Array, Dynamic Programming· 3 companies
2916. Subarrays Distinct Element Sum of Squares IIVideo
Solution54.8%Hard
Array, Binary Indexed Tree +2· 1 company
2919. Minimum Increment Operations to Make Array BeautifulVideo
Solution34.7%Medium
Array, Dynamic Programming· 1 company
2920. Maximum Points After Collecting Coins From All NodesVideo
Solution36.6%Hard
Array, Bit Manipulation +3· 1 company
2925. Maximum Score After Applying Operations on a TreeVideo
Solution47.2%Medium
Depth-First Search, Dynamic Programming +1· 1 company
2926. Maximum Balanced Subsequence SumVideo
Solution25.8%Hard
Array, Binary Indexed Tree +3· 1 company
2930. Number of Strings Which Can Be Rearranged to Contain SubstringVideo
Solution57.0%Medium
Combinatorics, Dynamic Programming +1· 1 company
2944. Minimum Number of Coins for FruitsVideo
Solution49.6%Medium
Array, Dynamic Programming +3
2945. Find Maximum Non-decreasing Array LengthVideo
Solution19.2%Hard
Array, Binary Search +5· 4 companies
2957. Remove Adjacent Almost-Equal CharactersVideo
Solution53.6%Medium
Dynamic Programming, Greedy +1· 1 company
2969. Minimum Number of Coins for Fruits IIVideoPremium
Solution49.2%Hard
Array, Dynamic Programming +3
2973. Find Number of Coins to Place in Tree NodesVideo
Solution37.4%Hard
Depth-First Search, Dynamic Programming +3· 1 company
2977. Minimum Cost to Convert String IIVideo
Solution59.1%Hard
Array, Dynamic Programming +4· 4 companies
2979. Most Expensive Item That Can Not Be BoughtVideoPremium
Solution80.2%Medium
Dynamic Programming, Math +1· 1 company
2992. Number of Self-Divisible PermutationsVideoPremium
Solution72.0%Medium
Array, Backtracking +3· 1 company
2998. Minimum Number of Operations to Make X and Y EqualVideo
Solution48.4%Medium
Breadth-First Search, Dynamic Programming +1· 2 companies
2999. Count the Number of Powerful IntegersVideo
Solution46.3%Hard
Dynamic Programming, Math +1· 5 companies
3003. Maximize the Number of Partitions After OperationsVideo
Solution53.5%Hard
Bit Manipulation, Bitmask +2· 1 company
3004. Maximum Subtree of the Same ColorVideoPremium
Solution59.2%Medium
Array, Depth-First Search +2· 2 companies
3007. Maximum Number That Sum of the Prices Is Less Than or Equal to KVideo
Solution38.4%Medium
Binary Search, Bit Manipulation +1· 2 companies
3018. Maximum Number of Removal Queries That Can Be Processed IVideoPremium
Solution44.8%Hard
Array, Dynamic Programming
3032. Count Numbers With Unique Digits IIVideoPremium
Solution87.4%Easy
Dynamic Programming, Hash Table +1· 1 company
3040. Maximum Number of Operations With the Same Score IIVideo
Solution34.1%Medium
Array, Dynamic Programming +1· 1 company
3041. Maximize Consecutive Elements in an Array After ModificationVideo
Solution33.7%Hard
Array, Dynamic Programming +1· 1 company
3068. Find the Maximum Sum of Node ValuesVideo
Solution69.5%Hard
Array, Bit Manipulation +4· 4 companies
3077. Maximum Strength of K Disjoint SubarraysVideo
Solution28.2%Hard
Array, Dynamic Programming +1· 2 companies
3082. Find the Sum of the Power of All SubsequencesVideo
Solution38.7%Hard
Array, Dynamic Programming· 2 companies
3098. Find the Sum of Subsequence PowersVideo
Solution25.1%Hard
Array, Dynamic Programming +1· 1 company
3117. Minimum Sum of Values by Dividing ArrayVideo
Solution28.5%Hard
Array, Binary Search +4· 1 company
3122. Minimum Number of Operations to Satisfy ConditionsVideo
Solution42.4%Medium
Array, Dynamic Programming +1· 1 company
3129. Find All Possible Stable Binary Arrays IVideo
Solution53.8%Medium
Dynamic Programming, Prefix Sum· 3 companies
3130. Find All Possible Stable Binary Arrays IIVideo
Solution58.4%Hard
Dynamic Programming, Prefix Sum· 2 companies
3135. Equalize Strings by Adding or Removing Characters at EndsVideoPremium
Solution56.8%Medium
Binary Search, Dynamic Programming +3· 1 company
3144. Minimum Substring Partition of Equal Character FrequencyVideo
Solution40.5%Medium
Counting, Dynamic Programming +2· 4 companies
3148. Maximum Difference Score in a GridVideo
Solution48.4%Medium
Array, Dynamic Programming +1· 1 company
3149. Find the Minimum Cost Array PermutationVideo
Solution26.1%Hard
Array, Bit Manipulation +2· 1 company
3154. Find Number of Ways to Reach the K-th StairVideo
Solution38.2%Hard
Bit Manipulation, Combinatorics +3· 1 company
3165. Maximum Sum of Subsequence With Non-adjacent ElementsVideo
Solution15.7%Hard
Array, Divide and Conquer +2· 2 companies
Showing 451–500 of 673