DSA
Master the patterns
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Active·2,723
Easy·667
Medium·1,394
Hard·662
Patterns
Recognize the move
Filter the bank by pattern — each card links into the problem index.
Problem index
Browse problems
Search by title, then refine with facets. Sorted by problem ID.
Difficulty
Facets
9 of 9 matching · 2723 totalSort: id ↑
No.ProblemDifficulty
- 0676Remove CommentsMed
- 1226Convert Integer to the Sum of Two No-Zero IntegersEasy
- 1230Maximum 69 NumberEasy
- 1246Number of Steps to Reduce a Number to ZeroEasy
- 1441Detect Pattern of Length M Repeated K or More TimesEasy
- 2046Longest Path With Different Adjacent CharactersHard
- 2083Maximum Total Importance of RoadsMed
- 2288Add Edges to Make Degrees of All Nodes EvenHard
- 2864Maximum Score From Grid OperationsHard
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