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Problems

182 problems

Has videoPremium onlyReset
Array566Dynamic Programming328String188Math182Binary Search133Hash Table132Sorting104Greedy102Bit Manipulation101Graph92Depth-First Search88Heap (Priority Queue)77Prefix Sum75Matrix74Breadth-First Search70All topics

Hard · With video · 182 results

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TitleSolutionAcceptDifficultyTopics
60. Permutation SequenceVideo
Solution54.3%Hard
Math, Recursion· 7 companies
149. Max Points on a LineVideo
Solution31.6%Hard
Array, Geometry +2· 16 companies
224. Basic CalculatorVideo
Solution47.3%Hard
Math, Recursion +2· 25 companies
233. Number of Digit OneVideo
Solution39.9%Hard
Dynamic Programming, Math +1· 6 companies
273. Integer to English WordsVideo
Solution34.9%Hard
Math, Recursion +1· 24 companies
282. Expression Add OperatorsVideo
Solution43.5%Hard
Backtracking, Math +1· 7 companies
296. Best Meeting PointVideoPremium
Solution61.1%Hard
Array, Math +2· 9 companies
335. Self CrossingVideo
Solution36.9%Hard
Array, Geometry +1· 1 company
381. Insert Delete GetRandom O(1) - Duplicates allowedVideo
Solution37.1%Hard
Array, Design +3· 11 companies
458. Poor PigsVideo
Solution59.4%Hard
Combinatorics, Dynamic Programming +1· 1 company
479. Largest Palindrome ProductVideo
Solution40.2%Hard
Enumeration, Math· 1 company
483. Smallest Good BaseVideo
Solution47.6%Hard
Binary Search, Math· 3 companies
564. Find the Closest PalindromeVideo
Solution32.2%Hard
Math, String· 8 companies
587. Erect the FenceVideo
Solution53.4%Hard
Array, Geometry +1· 3 companies
660. Remove 9VideoPremium
–57.3%Hard
Math· 1 company
668. Kth Smallest Number in Multiplication TableVideo
Solution55.1%Hard
Binary Search, Math· 5 companies
679. 24 GameVideo
Solution59.4%Hard
Array, Backtracking +1· 7 companies
710. Random Pick with BlacklistVideo
Solution35.4%Hard
Array, Binary Search +4· 3 companies
770. Basic Calculator IVVideo
Solution49.8%Hard
Hash Table, Math +3· 3 companies
772. Basic Calculator IIIVideoPremium
Solution53.2%Hard
Math, Recursion +2· 16 companies
780. Reaching PointsVideo
Solution34.9%Hard
Math· 14 companies
782. Transform to ChessboardVideo
Solution51.9%Hard
Array, Bit Manipulation +2· 2 companies
793. Preimage Size of Factorial Zeroes FunctionVideo
Solution48.0%Hard
Binary Search, Math· 1 company
805. Split Array With Same AverageVideo
Solution27.5%Hard
Array, Bit Manipulation +3· 6 companies
810. Chalkboard XOR GameVideo
Solution67.3%Hard
Array, Bit Manipulation +3· 3 companies
829. Consecutive Numbers SumVideo
Solution42.6%Hard
Enumeration, Math· 7 companies
843. Guess the WordVideo
Solution36.9%Hard
Array, Game Theory +3· 10 companies
878. Nth Magical NumberVideo
Solution37.1%Hard
Binary Search, Math· 3 companies
887. Super Egg DropVideo
Solution30.6%Hard
Binary Search, Dynamic Programming +1· 5 companies
891. Sum of Subsequence WidthsVideo
Solution41.1%Hard
Array, Math +1
899. Orderly QueueVideo
Solution67.4%Hard
Math, Sorting +1· 2 companies
902. Numbers At Most N Given Digit SetVideo
Solution45.9%Hard
Array, Binary Search +3· 4 companies
906. Super PalindromesVideo
Solution40.5%Hard
Enumeration, Math· 1 company
913. Cat and MouseVideo
Solution36.2%Hard
Dynamic Programming, Game Theory +4· 3 companies
920. Number of Music PlaylistsVideo
Solution60.3%Hard
Combinatorics, Dynamic Programming +1· 2 companies
927. Three Equal PartsVideo
Solution41.9%Hard
Array, Math· 2 companies
952. Largest Component Size by Common FactorVideo
Solution43.8%Hard
Array, Hash Table +3· 2 companies
964. Least Operators to Express NumberVideo
Solution48.3%Hard
Dynamic Programming, Math +1· 1 company
972. Equal Rational NumbersVideo
Solution47.9%Hard
Math, String· 2 companies
996. Number of Squareful ArraysVideo
Solution51.9%Hard
Array, Backtracking +5· 2 companies
1012. Numbers With Repeated DigitsVideo
Solution48.9%Hard
Dynamic Programming, Math· 2 companies
1067. Digit Count in RangeVideoPremium
Solution46.4%Hard
Dynamic Programming, Math· 1 company
1088. Confusing Number IIVideoPremium
Solution47.1%Hard
Backtracking, Math· 1 company
1199. Minimum Time to Build BlocksVideoPremium
Solution49.2%Hard
Array, Greedy +2· 1 company
1250. Check If It Is a Good ArrayVideo
Solution65.6%Hard
Array, Math +1· 5 companies
1259. Handshakes That Don't CrossVideoPremium
Solution61.1%Hard
Dynamic Programming, Math· 1 company
1307. Verbal Arithmetic PuzzleVideo
Solution33.5%Hard
Array, Backtracking +2· 3 companies
1330. Reverse Subarray To Maximize Array ValueVideo
Solution44.7%Hard
Array, Greedy +1
1359. Count All Valid Pickup and Delivery OptionsVideo
Solution64.9%Hard
Combinatorics, Dynamic Programming +1· 3 companies
1406. Stone Game IIIVideo
Solution68.0%Hard
Array, Dynamic Programming +2· 2 companies
Showing 1–50 of 182