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Problems

4,005 problems

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

With video · 4,005 results

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TitleSolutionAcceptDifficultyTopics
451. Sort Characters By FrequencyVideo
Solution75.8%Medium
Bucket Sort, Counting +4· 16 companies
452. Minimum Number of Arrows to Burst BalloonsVideo
Solution61.9%Medium
Array, Greedy +1· 8 companies
453. Minimum Moves to Equal Array ElementsVideo
Solution59.2%Medium
Array, Math· 8 companies
454. 4Sum IIVideo
Solution57.9%Medium
Array, Hash Table· 4 companies
455. Assign CookiesVideo
Solution55.4%Easy
Array, Greedy +2· 9 companies
456. 132 PatternVideo
Solution35.2%Medium
Array, Binary Search +3· 8 companies
457. Circular Array LoopVideo
Solution38.3%Medium
Array, Hash Table +1· 4 companies
458. Poor PigsVideo
Solution59.4%Hard
Combinatorics, Dynamic Programming +1· 1 company
459. Repeated Substring PatternVideo
Solution48.6%Easy
String, String Matching· 9 companies
460. LFU CacheVideo
Solution50.0%Hard
Design, Doubly-Linked List +2· 32 companies
461. Hamming DistanceVideo
Solution76.7%Easy
Bit Manipulation· 4 companies
462. Minimum Moves to Equal Array Elements IIVideo
Solution62.2%Medium
Array, Math +1· 5 companies
463. Island PerimeterVideo
Solution74.3%Easy
Array, Breadth-First Search +2· 9 companies
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
468. Validate IP AddressVideo
Solution28.2%Medium
String· 12 companies
469. Convex PolygonVideoPremium
Solution40.3%Medium
Array, Geometry +1· 1 company
470. Implement Rand10() Using Rand7()Video
Solution47.0%Medium
Math, Probability and Statistics +2· 6 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
475. HeatersVideo
Solution42.3%Medium
Array, Binary Search +2· 12 companies
476. Number ComplementVideo
Solution70.3%Easy
Bit Manipulation· 5 companies
477. Total Hamming DistanceVideo
Solution55.3%Medium
Array, Bit Manipulation +1· 3 companies
478. Generate Random Point in a CircleVideo
Solution43.8%Medium
Geometry, Math +2· 2 companies
479. Largest Palindrome ProductVideo
Solution40.2%Hard
Enumeration, Math· 1 company
480. Sliding Window MedianVideo
Solution38.7%Hard
Array, Hash Table +2· 11 companies
481. Magical StringVideo
Solution56.6%Medium
String, Two Pointers· 3 companies
482. License Key FormattingVideo
Solution46.4%Easy
String· 1 company
483. Smallest Good BaseVideo
Solution47.6%Hard
Binary Search, Math· 3 companies
484. Find PermutationVideoPremium
Solution67.0%Medium
Array, Greedy +2· 1 company
485. Max Consecutive OnesVideo
Solution66.0%Easy
Array· 14 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
489. Robot Room CleanerVideoPremium
Solution77.9%Hard
Backtracking, Interactive· 7 companies
490. The MazeVideoPremium
Solution60.4%Medium
Array, Breadth-First Search +2· 13 companies
491. Non-decreasing SubsequencesVideo
Solution63.1%Medium
Array, Backtracking +2· 3 companies
492. Construct the RectangleVideo
Solution65.2%Easy
Math· 2 companies
493. Reverse PairsVideo
Solution35.1%Hard
Array, Binary Indexed Tree +5· 9 companies
494. Target SumVideo
Solution52.6%Medium
Array, Backtracking +1· 10 companies
495. Teemo AttackingVideo
Solution58.2%Easy
Array, Simulation· 5 companies
496. Next Greater Element IVideo
Solution76.5%Easy
Array, Hash Table +2· 17 companies
497. Random Point in Non-overlapping RectanglesVideo
Solution40.8%Medium
Array, Binary Search +5· 2 companies
498. Diagonal TraverseVideo
Solution67.1%Medium
Array, Matrix +1· 12 companies
499. The Maze IIIVideoPremium
Solution52.3%Hard
Array, Breadth-First Search +6· 1 company
500. Keyboard RowVideo
Solution74.3%Easy
Array, Hash Table +1· 4 companies
Showing 451–500 of 4,005