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Problems

673 problems

Has videoPremium onlyReset
Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

673 results

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TitleSolutionAcceptDifficultyTopics
322. Coin ChangeVideo
Solution49.3%Medium
Array, Breadth-First Search +1· 40 companies
329. Longest Increasing Path in a MatrixVideo
Solution57.0%Hard
Array, Breadth-First Search +6· 16 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
338. Counting BitsVideo
Solution80.5%Easy
Bit Manipulation, Dynamic Programming· 9 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
354. Russian Doll EnvelopesVideo
Solution37.8%Hard
Array, Binary Search +2· 13 companies
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
392. Is SubsequenceVideo
Solution49.5%Easy
Dynamic Programming, String +1· 16 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
403. Frog JumpVideo
Solution47.8%Hard
Array, Dynamic Programming· 11 companies
410. Split Array Largest SumVideo
Solution61.2%Hard
Array, Binary Search +3· 20 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
446. Arithmetic Slices II - SubsequenceVideo
Solution55.1%Hard
Array, Dynamic Programming· 4 companies
458. Poor PigsVideo
Solution59.4%Hard
Combinatorics, Dynamic Programming +1· 1 company
464. Can I WinVideo
Solution31.7%Medium
Bit Manipulation, Bitmask +4· 4 companies
465. Optimal Account BalancingVideoPremium
Solution50.9%Hard
Array, Backtracking +3· 12 companies
466. Count The RepetitionsVideo
Solution36.0%Hard
Dynamic Programming, String· 1 company
467. Unique Substrings in Wraparound StringVideo
Solution44.0%Medium
Dynamic Programming, String· 2 companies
471. Encode String with Shortest LengthVideoPremium
Solution50.5%Hard
Dynamic Programming, String· 1 company
472. Concatenated WordsVideo
Solution49.9%Hard
Array, Depth-First Search +3· 3 companies
473. Matchsticks to SquareVideo
Solution42.3%Medium
Array, Backtracking +3· 9 companies
474. Ones and ZeroesVideo
Solution53.7%Medium
Array, Dynamic Programming +1· 5 companies
486. Predict the WinnerVideo
Solution59.7%Medium
Array, Dynamic Programming +3· 6 companies
487. Max Consecutive Ones IIVideoPremium
Solution52.0%Medium
Array, Dynamic Programming +1· 4 companies
488. Zuma GameVideo
Solution29.4%Hard
Breadth-First Search, Dynamic Programming +3· 7 companies
494. Target SumVideo
Solution52.6%Medium
Array, Backtracking +1· 10 companies
509. Fibonacci NumberVideo
Solution74.6%Easy
Dynamic Programming, Math +2· 16 companies
514. Freedom TrailVideo
Solution59.4%Hard
Breadth-First Search, Depth-First Search +2· 3 companies
516. Longest Palindromic SubsequenceVideo
Solution65.8%Medium
Dynamic Programming, String· 15 companies
518. Coin Change IIVideo
Solution59.1%Medium
Array, Dynamic Programming· 11 companies
526. Beautiful ArrangementVideo
Solution64.9%Medium
Array, Backtracking +3· 6 companies
542. 01 MatrixVideo
Solution54.7%Medium
Array, Breadth-First Search +2· 14 companies
546. Remove BoxesVideo
Solution49.4%Hard
Array, Dynamic Programming +1· 12 companies
552. Student Attendance Record IIVideo
Solution57.1%Hard
Dynamic Programming· 3 companies
553. Optimal DivisionVideo
Solution64.0%Medium
Array, Dynamic Programming +1· 1 company
562. Longest Line of Consecutive One in MatrixVideoPremium
Solution50.5%Medium
Array, Dynamic Programming +1· 1 company
568. Maximum Vacation DaysVideoPremium
Solution46.7%Hard
Array, Dynamic Programming +1· 3 companies
576. Out of Boundary PathsVideo
Solution48.1%Medium
Dynamic Programming· 3 companies
583. Delete Operation for Two StringsVideo
Solution66.0%Medium
Dynamic Programming, String· 4 companies
Showing 51–100 of 673