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Problems

249 problems

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

With video · 249 results

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TitleSolutionAcceptDifficultyTopics
3132. Find the Integer Added to Array IIVideo
Solution32.9%Medium
Array, Enumeration +2· 1 company
3186. Maximum Total Damage With Spell CastingVideo
Solution45.1%Medium
Array, Binary Search +5· 7 companies
3194. Minimum Average of Smallest and Largest ElementsVideo
Solution85.4%Easy
Array, Sorting +1· 2 companies
3239. Minimum Number of Flips to Make Binary Grid Palindromic IVideo
Solution74.3%Medium
Array, Matrix +1
3240. Minimum Number of Flips to Make Binary Grid Palindromic IIVideo
Solution25.5%Medium
Array, Matrix +1· 1 company
3284. Sum of Consecutive SubarraysVideoPremium
Solution43.4%Medium
Array, Dynamic Programming +1
3302. Find the Lexicographically Smallest Valid SequenceVideo
Solution57.9%Medium
Dynamic Programming, Greedy +2
3316. Find Maximum Removals From Source StringVideo
Solution39.3%Medium
Array, Dynamic Programming +3· 1 company
3400. Maximum Number of Matching Indices After Right ShiftsVideoPremium
Solution85.3%Medium
Array, Simulation +1
3403. Find the Lexicographically Largest String From the Box IVideo
Solution41.0%Medium
Enumeration, String +1· 5 companies
3406. Find the Lexicographically Largest String From the Box IIVideoPremium
Solution48.9%Hard
String, Two Pointers
3455. Shortest Matching SubstringVideo
Solution24.5%Hard
Binary Search, String +2· 1 company
3503. Longest Palindrome After Substring Concatenation IVideo
Solution43.8%Medium
Dynamic Programming, Enumeration +2· 2 companies
3504. Longest Palindrome After Substring Concatenation IIVideo
Solution18.4%Hard
Dynamic Programming, String +1· 1 company
3534. Path Existence Queries in a Graph IIVideo
Solution64.2%Hard
Array, Binary Search +6· 4 companies
3555. Smallest Subarray to Sort in Every Sliding WindowVideoPremium
Solution58.8%Medium
Array, Greedy +4
3584. Maximum Product of First and Last Elements of a SubsequenceVideo
Solution31.9%Medium
Array, Two Pointers· 1 company
3633. Earliest Finish Time for Land and Water Rides IVideo
Solution73.0%Easy
Array, Binary Search +3· 4 companies
3635. Earliest Finish Time for Land and Water Rides IIVideo
Solution64.2%Medium
Array, Binary Search +3· 2 companies
3643. Flip Square Submatrix VerticallyVideo
Solution79.3%Easy
Array, Matrix +1· 2 companies
3645. Maximum Total from Optimal Activation OrderVideo
Solution33.1%Medium
Array, Greedy +3· 2 companies
3649. Number of Perfect PairsVideo
–34.2%Medium
Array, Math +2· 6 companies
3667. Sort Array By Absolute ValueVideoPremium
Solution86.7%Easy
Array, Math +2· 1 company
3685. Subsequence Sum After Capping ElementsVideo
–25.2%Medium
Array, Dynamic Programming +2· 1 company
3722. Lexicographically Smallest String After ReverseVideo
Solution53.9%Medium
Binary Search, Enumeration +1
3730. Maximum Calories Burnt from JumpsVideoPremium
Solution72.8%Medium
Array, Greedy +2· 1 company
3734. Lexicographically Smallest Palindromic Permutation Greater Than TargetVideo
Solution55.3%Hard
Enumeration, String +1
3750. Minimum Number of Flips to Reverse Binary StringVideo
Solution75.5%Easy
Bit Manipulation, Math +2
3752. Lexicographically Smallest Negated Permutation that Sums to TargetVideo
–31.5%Medium
Array, Greedy +3· 1 company
3766. Minimum Operations to Make Binary PalindromeVideo
Solution51.2%Medium
Array, Binary Search +2· 1 company
3775. Reverse Words With Same Vowel CountVideo
Solution66.6%Medium
Simulation, String +1
3794. Reverse String PrefixVideo
Solution88.5%Easy
String, Two Pointers· 1 company
3801. Minimum Cost to Merge Sorted ListsVideo
Solution33.8%Hard
Array, Binary Search +3
3814. Maximum Capacity Within BudgetVideo
Solution20.7%Medium
Array, Binary Search +2· 2 companies
3823. Reverse Letters Then Special Characters in a StringVideo
Solution81.5%Easy
Simulation, String +1
3844. Longest Almost-Palindromic SubstringVideo
Solution22.8%Medium
Dynamic Programming, String +1
3867. Sum of GCD of Formed PairsVideo
Solution75.1%Medium
Array, Math +3· 1 company
3884. First Matching Character From Both EndsVideo
Solution81.5%Easy
String, Two Pointers
3896. Minimum Operations to Transform Array into Alternating PrimeVideo
Solution53.2%Medium
Array, Binary Search +4· 1 company
3936. Minimum Swaps to Move Zeros to EndVideo
Solution59.7%Easy
Array, Two Pointers
3940. Limit Occurrences in Sorted ArrayVideo
Solution72.6%Easy
Array, Two Pointers
3983. Subsequence After One ReplacementVideo
Solution21.6%Medium
String, Two Pointers
3992. Rearrange String to Avoid Character PairVideo
Solution77.8%Easy
Sorting, String +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
4001. Aggregate Two Time SeriesVideo
Solution57.9%Medium
Array, Two Pointers
4014. Minimum Total Price After Applying DiscountsVideo
Solution71.8%Medium
Array, Greedy +2
4026. Maximum Gap Between StationsVideo
Solution52.4%Medium
Greedy, String +1
4030. Check ASCII PalindromicVideo
Solution60.2%Easy
Bit Manipulation, String +1
Showing 201–249 of 249