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Problems

327 problems

Has videoPremium onlyReset
Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 327 results

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TitleSolutionAcceptDifficultyTopics
2501. Longest Square Streak in an ArrayVideo
Solution53.1%Medium
Array, Binary Search +3· 4 companies
2510. Check if There is a Path With Equal Number of 0's And 1'sVideoPremium
Solution51.9%Medium
Array, Dynamic Programming +1· 1 company
2522. Partition String Into Substrings With Values at Most KVideo
Solution47.6%Medium
Dynamic Programming, Greedy +1
2533. Number of Good Binary StringsVideoPremium
Solution52.8%Medium
Dynamic Programming· 1 company
2556. Disconnect Path in a Binary Matrix by at Most One FlipVideo
Solution27.8%Medium
Array, Breadth-First Search +3· 1 company
2571. Minimum Operations to Reduce an Integer to 0Video
Solution63.5%Medium
Bit Manipulation, Dynamic Programming +1· 8 companies
2572. Count the Number of Square-Free SubsetsVideo
Solution27.1%Medium
Array, Bit Manipulation +3· 2 companies
2597. The Number of Beautiful SubsetsVideo
Solution50.9%Medium
Array, Backtracking +5· 4 companies
2606. Find the Substring With Maximum CostVideo
Solution57.7%Medium
Array, Dynamic Programming +2· 2 companies
2638. Count the Number of K-Free SubsetsVideoPremium
Solution47.4%Medium
Array, Combinatorics +3· 1 company
2645. Minimum Additions to Make Valid StringVideo
Solution50.8%Medium
Dynamic Programming, Greedy +2· 3 companies
2673. Make Costs of Paths Equal in a Binary TreeVideo
Solution57.2%Medium
Array, Binary Tree +3· 1 company
2684. Maximum Number of Moves in a GridVideo
Solution58.6%Medium
Array, Dynamic Programming +1· 2 companies
2707. Extra Characters in a StringVideo
Solution57.4%Medium
Array, Dynamic Programming +3· 3 companies
2708. Maximum Strength of a GroupVideo
Solution25.6%Medium
Array, Backtracking +5
2712. Minimum Cost to Make All Characters EqualVideo
Solution53.2%Medium
Dynamic Programming, Greedy +1· 1 company
2741. Special PermutationsVideo
Solution29.4%Medium
Array, Bit Manipulation +2
2745. Construct the Longest New StringVideo
Solution53.8%Medium
Brainteaser, Dynamic Programming +2· 2 companies
2746. Decremental String ConcatenationVideo
Solution27.6%Medium
Array, Dynamic Programming +1
2750. Ways to Split Array Into Good SubarraysVideo
Solution34.9%Medium
Array, Dynamic Programming +1· 1 company
2767. Partition String Into Minimum Beautiful SubstringsVideo
Solution54.0%Medium
Backtracking, Dynamic Programming +2
2770. Maximum Number of Jumps to Reach the Last IndexVideo
Solution51.2%Medium
Array, Dynamic Programming· 2 companies
2771. Longest Non-decreasing Subarray From Two ArraysVideo
Solution31.7%Medium
Array, Dynamic Programming· 6 companies
2786. Visit Array Positions to Maximize ScoreVideo
Solution37.5%Medium
Array, Dynamic Programming
2787. Ways to Express an Integer as Sum of PowersVideo
Solution49.8%Medium
Dynamic Programming· 5 companies
2811. Check if it is Possible to Split ArrayVideo
Solution34.5%Medium
Array, Dynamic Programming +1· 1 company
2826. Sorting Three GroupsVideo
Solution43.5%Medium
Array, Binary Search +1· 1 company
2830. Maximize the Profit as the SalesmanVideo
Solution38.7%Medium
Array, Binary Search +3· 1 company
2850. Minimum Moves to Spread Stones Over GridVideo
Solution46.1%Medium
Array, Breadth-First Search +2· 5 companies
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
2901. Longest Unequal Adjacent Groups Subsequence IIVideo
Solution51.4%Medium
Array, Dynamic Programming +1· 2 companies
2915. Length of the Longest Subsequence That Sums to TargetVideo
Solution40.0%Medium
Array, Dynamic Programming· 3 companies
2919. Minimum Increment Operations to Make Array BeautifulVideo
Solution34.7%Medium
Array, Dynamic Programming· 1 company
2925. Maximum Score After Applying Operations on a TreeVideo
Solution47.2%Medium
Depth-First Search, Dynamic Programming +1· 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
2957. Remove Adjacent Almost-Equal CharactersVideo
Solution53.6%Medium
Dynamic Programming, Greedy +1· 1 company
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
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
3040. Maximum Number of Operations With the Same Score IIVideo
Solution34.1%Medium
Array, Dynamic Programming +1· 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
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
3176. Find the Maximum Length of a Good Subsequence IVideo
Solution32.6%Medium
Array, Dynamic Programming +1· 1 company
Showing 201–250 of 327