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Array1,212 Hash Table473 String437 Math331 Greedy330 Dynamic Programming327 Sorting302 Depth-First Search208 Binary Search189 Breadth-First Search166 Matrix163 Tree158 Prefix Sum155 Two Pointers150 Database137 All topics

Medium · 327 results

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TitleSolutionAcceptDifficultyTopics

5. Longest Palindromic SubstringVideo

Solution38.7%Medium

Dynamic Programming, String +1· 81 companies

22. Generate ParenthesesVideo

Solution79.6%Medium

Backtracking, Dynamic Programming +1· 40 companies

45. Jump Game IIVideo

Solution43.2%Medium

Array, Dynamic Programming +1· 26 companies

53. Maximum SubarrayVideo

Solution53.7%Medium

Array, Divide and Conquer +1· 64 companies

55. Jump GameVideo

Solution41.2%Medium

Array, Dynamic Programming +1· 33 companies

62. Unique PathsVideo

Solution67.3%Medium

Combinatorics, Dynamic Programming +1· 21 companies

63. Unique Paths IIVideo

Solution44.9%Medium

Array, Dynamic Programming +1· 9 companies

64. Minimum Path SumVideo

Solution68.6%Medium

Array, Dynamic Programming +1· 17 companies

72. Edit DistanceVideo

Solution61.5%Medium

Dynamic Programming, String· 24 companies

91. Decode WaysVideo

Solution38.3%Medium

Dynamic Programming, String· 22 companies

95. Unique Binary Search Trees IIVideo

Solution63.3%Medium

Backtracking, Binary Search Tree +3· 5 companies

96. Unique Binary Search TreesVideo

Solution64.0%Medium

Binary Search Tree, Binary Tree +3· 10 companies

97. Interleaving StringVideo

Solution45.0%Medium

Dynamic Programming, String· 10 companies

120. TriangleVideo

Solution59.9%Medium

Array, Dynamic Programming· 11 companies

122. Best Time to Buy and Sell Stock IIVideo

Solution71.4%Medium

Array, Dynamic Programming +1· 28 companies

131. Palindrome PartitioningVideo

Solution74.4%Medium

Backtracking, Dynamic Programming +1· 10 companies

139. Word BreakVideo

Solution49.8%Medium

Array, Dynamic Programming +4· 32 companies

152. Maximum Product SubarrayVideo

Solution36.7%Medium

Array, Dynamic Programming· 23 companies

198. House RobberVideo

Solution53.6%Medium

Array, Dynamic Programming· 40 companies

213. House Robber IIVideo

Solution45.3%Medium

Array, Dynamic Programming· 19 companies

221. Maximal SquareVideo

Solution50.7%Medium

Array, Dynamic Programming +1· 28 companies

241. Different Ways to Add ParenthesesVideo

Solution73.7%Medium

Dynamic Programming, Math +3· 6 companies

256. Paint HouseVideoPremium

Solution64.3%Medium

Array, Dynamic Programming· 8 companies

264. Ugly Number IIVideo

Solution49.7%Medium

Dynamic Programming, Hash Table +2· 9 companies

276. Paint FenceVideoPremium

Solution48.3%Medium

Dynamic Programming· 4 companies

279. Perfect SquaresVideo

Solution57.0%Medium

Breadth-First Search, Dynamic Programming +1· 12 companies

294. Flip Game IIVideoPremium

Solution52.2%Medium

Backtracking, Dynamic Programming +3· 2 companies

300. Longest Increasing SubsequenceVideo

Solution59.8%Medium

Array, Binary Search +1· 30 companies

309. Best Time to Buy and Sell Stock with CooldownVideo

Solution62.4%Medium

Array, Dynamic Programming· 8 companies

313. Super Ugly NumberVideo

Solution46.6%Medium

Array, Dynamic Programming +1· 5 companies

322. Coin ChangeVideo

Solution49.3%Medium

Array, Breadth-First Search +1· 40 companies

333. Largest BST SubtreeVideoPremium

Solution45.8%Medium

Binary Search Tree, Binary Tree +3· 2 companies

337. House Robber IIIVideo

Solution56.3%Medium

Binary Tree, Depth-First Search +2· 13 companies

343. Integer BreakVideo

Solution62.6%Medium

Dynamic Programming, Math· 6 companies

351. Android Unlock PatternsVideoPremium

Solution53.8%Medium

Backtracking, Bit Manipulation +2· 1 company

357. Count Numbers with Unique DigitsVideo

Solution56.1%Medium

Backtracking, Dynamic Programming +1· 5 companies

361. Bomb EnemyVideoPremium

Solution52.8%Medium

Array, Dynamic Programming +1· 2 companies

368. Largest Divisible SubsetVideo

Solution50.1%Medium

Array, Dynamic Programming +2· 6 companies

375. Guess Number Higher or Lower IIVideo

Solution53.8%Medium

Dynamic Programming, Game Theory +1· 3 companies

376. Wiggle SubsequenceVideo

Solution49.9%Medium

Array, Dynamic Programming +1· 1 company

377. Combination Sum IVVideo

Solution55.0%Medium

Array, Dynamic Programming· 7 companies

396. Rotate FunctionVideo

Solution54.0%Medium

Array, Dynamic Programming +1· 6 companies

397. Integer ReplacementVideo

Solution37.9%Medium

Bit Manipulation, Dynamic Programming +2· 4 companies

413. Arithmetic SlicesVideo

Solution65.0%Medium

Array, Dynamic Programming +1· 7 companies

416. Partition Equal Subset SumVideo

Solution49.9%Medium

Array, Dynamic Programming· 16 companies

418. Sentence Screen FittingVideoPremium

Solution36.3%Medium

Array, Dynamic Programming +1· 1 company

435. Non-overlapping IntervalsVideo

Solution57.5%Medium

Array, Dynamic Programming +2· 18 companies

464. Can I WinVideo

Solution31.7%Medium

Bit Manipulation, Bitmask +4· 4 companies

467. Unique Substrings in Wraparound StringVideo

Solution44.0%Medium

Dynamic Programming, String· 2 companies

473. Matchsticks to SquareVideo

Solution42.3%Medium

Array, Backtracking +3· 9 companies

Showing 1–50 of 327