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Problems

252 problems

Has videoPremium onlyReset
Two PointersArray2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

252 results

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TitleSolutionAcceptDifficultyTopics
2105. Watering Plants IIVideo
Solution48.8%Medium
Array, Simulation +1· 1 company
2108. Find First Palindromic String in the ArrayVideo
Solution83.9%Easy
Array, String +1
2109. Adding Spaces to a StringVideo
Solution71.8%Medium
Array, Simulation +2· 5 companies
2122. Recover the Original ArrayVideo
Solution42.0%Hard
Array, Enumeration +3· 1 company
2130. Maximum Twin Sum of a Linked ListVideo
Solution83.2%Medium
Linked List, Stack +1· 6 companies
2149. Rearrange Array Elements by SignVideo
Solution84.7%Medium
Array, Simulation +1· 6 companies
2161. Partition Array According to Given PivotVideo
Solution90.8%Medium
Array, Simulation +1· 5 companies
2193. Minimum Number of Moves to Make PalindromeVideo
Solution52.7%Hard
Binary Indexed Tree, Greedy +2· 5 companies
2200. Find All K-Distant Indices in an ArrayVideo
Solution77.4%Easy
Array, Two Pointers· 4 companies
2234. Maximum Total Beauty of the GardensVideo
Solution30.4%Hard
Array, Binary Search +3· 1 company
2300. Successful Pairs of Spells and PotionsVideo
Solution49.5%Medium
Array, Binary Search +2· 7 companies
2330. Valid Palindrome IVVideoPremium
Solution75.8%Medium
String, Two Pointers· 2 companies
2332. The Latest Time to Catch a BusVideo
Solution30.0%Medium
Array, Binary Search +2· 3 companies
2337. Move Pieces to Obtain a StringVideo
Solution56.7%Medium
String, Two Pointers· 5 companies
2367. Number of Arithmetic TripletsVideo
Solution85.4%Easy
Array, Enumeration +2· 2 companies
2396. Strictly Palindromic NumberVideo
Solution90.3%Medium
Brainteaser, Math +1· 2 companies
2406. Divide Intervals Into Minimum Number of GroupsVideo
Solution63.7%Medium
Array, Greedy +4· 7 companies
2410. Maximum Matching of Players With TrainersVideo
Solution75.2%Medium
Array, Greedy +2· 3 companies
2422. Merge Operations to Turn Array Into a PalindromeVideoPremium
Solution69.0%Medium
Array, Greedy +1· 5 companies
2441. Largest Positive Integer That Exists With Its NegativeVideo
Solution74.9%Easy
Array, Hash Table +2· 5 companies
2460. Apply Operations to an ArrayVideo
Solution74.7%Easy
Array, Simulation +1· 4 companies
2462. Total Cost to Hire K WorkersVideo
Solution43.6%Medium
Array, Heap (Priority Queue) +2· 4 companies
2465. Number of Distinct AveragesVideo
Solution58.9%Easy
Array, Hash Table +2· 1 company
2472. Maximum Number of Non-overlapping Palindrome SubstringsVideo
Solution60.9%Hard
Dynamic Programming, Greedy +2· 5 companies
2486. Append Characters to String to Make SubsequenceVideo
Solution72.9%Medium
Greedy, String +1· 2 companies
2491. Divide Players Into Teams of Equal SkillVideo
Solution69.0%Medium
Array, Hash Table +2· 6 companies
2503. Maximum Number of Points From Grid QueriesVideo
Solution59.3%Hard
Array, Breadth-First Search +5· 6 companies
2511. Maximum Enemy Forts That Can Be CapturedVideo
Solution41.8%Easy
Array, Two Pointers
2540. Minimum Common ValueVideo
Solution60.9%Easy
Array, Binary Search +2· 3 companies
2562. Find the Array Concatenation ValueVideo
Solution71.9%Easy
Array, Simulation +1· 2 companies
2563. Count the Number of Fair PairsVideo
Solution52.7%Medium
Array, Binary Search +2· 9 companies
2565. Subsequence With the Minimum ScoreVideo
Solution33.8%Hard
Binary Search, String +1· 1 company
2570. Merge Two 2D Arrays by Summing ValuesVideo
Solution81.7%Easy
Array, Hash Table +1· 6 companies
2576. Find the Maximum Number of Marked IndicesVideo
Solution41.7%Medium
Array, Binary Search +3
2592. Maximize Greatness of an ArrayVideo
Solution62.0%Medium
Array, Greedy +2· 7 companies
2604. Minimum Time to Eat All GrainsVideoPremium
Solution40.8%Hard
Array, Binary Search +2· 1 company
2674. Split a Circular Linked ListVideoPremium
Solution78.1%Medium
Linked List, Two Pointers
2697. Lexicographically Smallest PalindromeVideo
Solution82.0%Easy
Greedy, String +1· 3 companies
2824. Count Pairs Whose Sum is Less than TargetVideo
Solution87.4%Easy
Array, Binary Search +2· 6 companies
2825. Make String a Subsequence Using Cyclic IncrementsVideo
Solution65.7%Medium
String, Two Pointers· 1 company
2838. Maximum Coins Heroes Can CollectVideoPremium
Solution68.7%Medium
Array, Binary Search +3· 1 company
2856. Minimum Array Length After Pair RemovalsVideo
Solution27.8%Medium
Array, Binary Search +4· 1 company
2868. The Wording GamePremium
Solution53.6%Hard
Array, Game Theory +4
2903. Find Indices With Index and Value Difference IVideo
Solution60.2%Easy
Array, Two Pointers· 1 company
2905. Find Indices With Index and Value Difference IIVideo
Solution32.6%Medium
Array, Two Pointers· 1 company
2911. Minimum Changes to Make K Semi-palindromesVideo
Solution35.3%Hard
Dynamic Programming, String +1
2938. Separate Black and White BallsVideo
Solution64.0%Medium
Greedy, String +1· 5 companies
2970. Count the Number of Incremovable Subarrays IVideo
Solution56.9%Easy
Array, Binary Search +2· 2 companies
2972. Count the Number of Incremovable Subarrays IIVideo
Solution39.8%Hard
Array, Binary Search +1· 3 companies
3006. Find Beautiful Indices in the Given Array IVideo
Solution41.2%Medium
Binary Search, Hash Function +4· 5 companies
Showing 151–200 of 252