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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
1055. Shortest Way to Form StringVideoPremium
Solution61.6%Medium
Binary Search, Greedy +2· 3 companies
1089. Duplicate ZerosVideo
Solution54.1%Easy
Array, Two Pointers· 4 companies
1099. Two Sum Less Than KVideoPremium
Solution61.9%Easy
Array, Binary Search +2· 1 company
1147. Longest Chunked Palindrome DecompositionVideo
Solution58.6%Hard
Dynamic Programming, Greedy +4· 1 company
1163. Last Substring in Lexicographical OrderVideo
Solution35.1%Hard
String, Two Pointers· 5 companies
1214. Two Sum BSTsVideoPremium
Solution68.2%Medium
Binary Search, Binary Search Tree +5· 1 company
1229. Meeting SchedulerVideoPremium
Solution55.3%Medium
Array, Sorting +1· 11 companies
1237. Find Positive Integer Solution for a Given EquationVideo
Solution70.3%Medium
Binary Search, Interactive +2· 2 companies
1265. Print Immutable Linked List in ReverseVideoPremium
Solution94.0%Medium
Linked List, Recursion +2
1332. Remove Palindromic SubsequencesVideo
Solution77.1%Easy
String, Two Pointers· 1 company
1346. Check If N and Its Double ExistVideo
Solution41.7%Easy
Array, Binary Search +3· 5 companies
1385. Find the Distance Value Between Two ArraysVideo
Solution72.1%Easy
Array, Binary Search +2· 5 companies
1455. Check If a Word Occurs As a Prefix of Any Word in a SentenceVideo
Solution68.8%Easy
String, String Matching +1· 4 companies
1471. The k Strongest Values in an ArrayVideo
Solution62.6%Medium
Array, Sorting +1· 1 company
1498. Number of Subsequences That Satisfy the Given Sum ConditionVideo
Solution49.2%Medium
Array, Binary Search +2· 6 companies
1508. Range Sum of Sorted Subarray SumsVideo
Solution63.2%Medium
Array, Binary Search +2· 3 companies
1537. Get the Maximum ScoreVideo
Solution41.5%Hard
Array, Dynamic Programming +2· 5 companies
1570. Dot Product of Two Sparse VectorsVideoPremium
Solution89.9%Medium
Array, Design +2· 12 companies
1574. Shortest Subarray to be Removed to Make Array SortedVideo
Solution51.2%Medium
Array, Binary Search +3· 9 companies
1577. Number of Ways Where Square of Number Is Equal to Product of Two NumbersVideo
Solution43.9%Medium
Array, Hash Table +2
1616. Split Two Strings to Make PalindromeVideo
Solution32.8%Medium
String, Two Pointers· 1 company
1634. Add Two Polynomials Represented as Linked ListsVideoPremium
Solution61.1%Medium
Linked List, Math +1· 1 company
1650. Lowest Common Ancestor of a Binary Tree IIIVideoPremium
Solution83.0%Medium
Binary Tree, Hash Table +2· 10 companies
1679. Max Number of K-Sum PairsVideo
Solution57.5%Medium
Array, Hash Table +2· 7 companies
1697. Checking Existence of Edge Length Limited PathsVideo
Solution63.8%Hard
Array, Graph +3· 3 companies
1712. Ways to Split Array Into Three SubarraysVideo
Solution34.2%Medium
Array, Binary Search +2· 3 companies
1721. Swapping Nodes in a Linked ListVideo
Solution69.9%Medium
Linked List, Two Pointers· 6 companies
1750. Minimum Length of String After Deleting Similar EndsVideo
Solution55.9%Medium
String, Two Pointers· 3 companies
1754. Largest Merge Of Two StringsVideo
Solution54.8%Medium
Greedy, String +1· 1 company
1755. Closest Subsequence SumVideo
Solution45.3%Hard
Array, Bit Manipulation +3· 3 companies
1764. Form Array by Concatenating Subarrays of Another ArrayVideo
Solution54.7%Medium
Array, Greedy +2· 1 company
1768. Merge Strings AlternatelyVideo
Solution82.1%Easy
String, Two Pointers· 11 companies
1782. Count Pairs Of NodesVideo
Solution43.3%Hard
Array, Binary Search +3· 1 company
1793. Maximum Score of a Good SubarrayVideo
Solution64.3%Hard
Array, Binary Search +3· 2 companies
1813. Sentence Similarity IIIVideo
Solution48.8%Medium
Array, String +1· 4 companies
1826. Faulty SensorVideoPremium
Solution50.2%Easy
Array, Two Pointers· 1 company
1842. Next Palindrome Using Same DigitsVideoPremium
Solution54.2%Hard
String, Two Pointers· 1 company
1850. Minimum Adjacent Swaps to Reach the Kth Smallest NumberVideo
Solution72.0%Medium
Greedy, String +1· 2 companies
1855. Maximum Distance Between a Pair of ValuesVideo
Solution61.3%Medium
Array, Binary Search +1· 2 companies
1861. Rotating the BoxVideo
Solution82.4%Medium
Array, Matrix +1· 10 companies
1868. Product of Two Run-Length Encoded ArraysVideoPremium
Solution59.6%Medium
Array, Two Pointers· 2 companies
1877. Minimize Maximum Pair Sum in ArrayVideo
Solution83.3%Medium
Array, Greedy +2· 6 companies
1885. Count Pairs in Two ArraysVideoPremium
Solution60.5%Medium
Array, Binary Search +2· 2 companies
1898. Maximum Number of Removable CharactersVideo
Solution47.6%Medium
Array, Binary Search +2· 3 companies
1961. Check If String Is a Prefix of ArrayVideo
Solution52.7%Easy
Array, String +1· 1 company
1963. Minimum Number of Swaps to Make the String BalancedVideo
Solution78.0%Medium
Greedy, Stack +2· 12 companies
2000. Reverse Prefix of WordVideo
Solution86.3%Easy
Stack, String +1· 5 companies
2035. Partition Array Into Two Arrays to Minimize Sum DifferenceVideo
Solution24.4%Hard
Array, Binary Search +5· 9 companies
2046. Sort Linked List Already Sorted Using Absolute ValuesVideoPremium
Solution67.1%Medium
Linked List, Sorting +1
2095. Delete the Middle Node of a Linked ListVideo
Solution60.4%Medium
Linked List, Two Pointers· 7 companies
Showing 101–150 of 249