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DSA Problems
Practice real interview questions and track your progress
68 problems
# Title Topics Acceptance SolutionDifficulty
51Smallest Window of All CharactersString Dynamic Programming
50.00%
Hard
52Binary Heap OperationsHeap
22.30%
Medium
53Heap SortHeap
53.06%
Medium
54Bitonic PointSearching Algorithm
58.67%
Easy
55Alien DictionaryString
47.81%
Hard
56Find the StringString
72.98%
Hard
57Reverse Words In A StringString
47.80%
Easy
58First Occurrence In A StringString
50.08%
Medium
59Longest Common SubsequenceArray String Dynamic Programming
50.00%
Medium
60K-PangramsString Hashing
20.91%
Medium
61Winner of an electionString Hashing
53.75%
Easy
62Making A Large IslandGraph BFS DFS
52.36%
Hard
63Stepping NumbersBFS DFS
48.44%
Medium
64Course ScheduleGraph BFS DFS
51.77%
Medium
65Redundant ParenthesisString Stack
51.49%
Hard
66Find Kth RotationArray Stack Searching Algorithm
23.16%
Easy
67Strings RotationsString
43.83%
Medium
68Unique PermutationsString
46.50%
Medium
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