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Problems

104 problems

Has videoPremium onlyReset
Array578Dynamic Programming332String191Math187Binary Search136Hash Table134Sorting106Greedy104Bit Manipulation103Graph96Depth-First Search91Heap (Priority Queue)78Prefix Sum77Matrix75Breadth-First Search71All topics

Hard · 104 results

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TitleSolutionAcceptDifficultyTopics
2366. Minimum Replacements to Sort the ArrayVideo
Solution53.4%Hard
Array, Greedy +1· 6 companies
2412. Minimum Money Required Before TransactionsVideo
Solution42.1%Hard
Array, Greedy +1· 1 company
2448. Minimum Cost to Make Array EqualVideo
Solution46.7%Hard
Array, Binary Search +3· 6 companies
2449. Minimum Number of Operations to Make Arrays SimilarVideo
Solution61.8%Hard
Array, Greedy +1· 2 companies
2459. Sort Array by Moving Items to Empty SpaceVideoPremium
Solution45.7%Hard
Array, Greedy +1· 1 company
2472. Maximum Number of Non-overlapping Palindrome SubstringsVideo
Solution60.9%Hard
Dynamic Programming, Greedy +2· 5 companies
2499. Minimum Total Cost to Make Arrays UnequalVideo
Solution41.3%Hard
Array, Counting +2· 1 company
2528. Maximize the Minimum Powered CityVideo
Solution61.8%Hard
Array, Binary Search +4· 2 companies
2551. Put Marbles in BagsVideo
Solution72.2%Hard
Array, Greedy +2· 8 companies
2561. Rearranging FruitsVideo
Solution57.4%Hard
Array, Greedy +1· 9 companies
2573. Find the String with LCPVideo
Solution63.3%Hard
Array, Dynamic Programming +4· 1 company
2589. Minimum Time to Complete All TasksVideo
Solution39.6%Hard
Array, Binary Search +3· 1 company
2659. Make Array EmptyVideo
Solution27.4%Hard
Array, Binary Indexed Tree +5· 2 companies
2663. Lexicographically Smallest Beautiful StringVideo
Solution37.9%Hard
Greedy, String· 2 companies
2790. Maximum Number of Groups With Increasing LengthVideo
Solution23.0%Hard
Array, Binary Search +3· 1 company
2813. Maximum Elegance of a K-Length SubsequenceVideo
Solution29.1%Hard
Array, Greedy +4
2818. Apply Operations to Maximize ScoreVideo
Solution53.7%Hard
Array, Greedy +4· 2 companies
2835. Minimum Operations to Form Subsequence With Target SumVideo
Solution32.5%Hard
Array, Bit Manipulation +1· 1 company
2842. Count K-Subsequences of a String With Maximum BeautyVideo
Solution30.2%Hard
Combinatorics, Greedy +3· 1 company
2868. The Wording GamePremium
Solution53.6%Hard
Array, Game Theory +4
2897. Apply Operations on Array to Maximize Sum of SquaresVideo
Solution73.9%Hard
Array, Bit Manipulation +2· 1 company
2931. Maximum Spending After Buying ItemsVideo
Solution60.5%Hard
Array, Greedy +3· 2 companies
3022. Minimize OR of Remaining Elements Using OperationsVideo
Solution30.2%Hard
Array, Bit Manipulation +1· 1 company
3049. Earliest Second to Mark Indices IIVideo
Solution22.6%Hard
Array, Binary Search +2· 2 companies
3068. Find the Maximum Sum of Node ValuesVideo
Solution69.5%Hard
Array, Bit Manipulation +4· 4 companies
3086. Minimum Moves to Pick K OnesVideo
Solution21.6%Hard
Array, Greedy +2· 1 company
3088. Make String Anti-palindromeVideoPremium
Solution46.6%Hard
Counting Sort, Greedy +2· 1 company
3139. Minimum Cost to Equalize ArrayVideo
Solution18.8%Hard
Array, Enumeration +1· 1 company
3219. Minimum Cost for Cutting Cake IIVideo
Solution54.2%Hard
Array, Greedy +1· 1 company
3229. Minimum Operations to Make Array Equal to TargetVideo
Solution42.0%Hard
Array, Dynamic Programming +3· 3 companies
3244. Shortest Distance After Road Addition Queries IIVideo
Solution26.5%Hard
Array, Graph +2
3260. Find the Largest Palindrome Divisible by KVideo
Solution17.0%Hard
Dynamic Programming, Greedy +3· 2 companies
3273. Minimum Amount of Damage Dealt to BobVideo
Solution39.6%Hard
Array, Greedy +1· 1 company
3348. Smallest Divisible Digit Product IIVideo
Solution45.3%Hard
Backtracking, Greedy +3· 3 companies
3357. Minimize the Maximum Adjacent Element DifferenceVideo
Solution20.2%Hard
Array, Binary Search +1· 1 company
3449. Maximize the Minimum Game ScoreVideo
–26.2%Hard
Array, Binary Search +1· 2 companies
3474. Lexicographically Smallest Generated StringVideo
Solution53.3%Hard
Greedy, String +1· 5 companies
3506. Find Time Required to Eliminate Bacterial StrainsPremium
Solution63.2%Hard
Array, Greedy +2
3534. Path Existence Queries in a Graph IIVideo
Solution64.2%Hard
Array, Binary Search +6· 4 companies
3547. Maximum Sum of Edge Values in a GraphVideo
–35.4%Hard
Graph, Greedy +1· 1 company
3600. Maximize Spanning Tree Stability with UpgradesVideo
Solution65.9%Hard
Binary Search, Graph +3· 3 companies
3605. Minimum Stability Factor of ArrayVideo
–20.4%Hard
Array, Binary Search +4· 1 company
3630. Partition Array for Maximum XOR and ANDVideo
–17.6%Hard
Array, Bit Manipulation +3· 1 company
3681. Maximum XOR of SubsequencesVideo
–49.5%Hard
Array, Bit Manipulation +2
3691. Maximum Total Subarray Value IIVideo
Solution41.6%Hard
Array, Greedy +2· 3 companies
3695. Maximize Alternating Sum Using SwapsVideo
–62.5%Hard
Array, Greedy +2· 1 company
3785. Minimum Swaps to Avoid Forbidden ValuesVideo
–30.4%Hard
Array, Counting +2· 1 company
3806. Maximum Bitwise AND After Increment OperationsVideo
Solution31.8%Hard
Array, Bit Manipulation +2· 1 company
3816. Lexicographically Smallest String After Deleting Duplicate CharactersVideo
Solution20.9%Hard
Greedy, Hash Table +3· 2 companies
3897. Maximum Value of Concatenated Binary SegmentsVideo
Solution26.7%Hard
Array, Greedy +1
Showing 51–100 of 104