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DSA Problems
Practice real interview questions and track your progress
244 problems
# Title Topics Acceptance SolutionDifficulty
201Distinct Paths IIArray Recursion Dynamic Programming 2D Array
50.00%
Medium
202Minimum Path SumArray Dynamic Programming 2D Array
50.00%
Medium
203Distinct PathsArray Recursion Dynamic Programming 2D Array
50.00%
Medium
204Longest Increasing SubsequenceArray Dynamic Programming
20.00%
Medium
205Longest Common SubsequenceArray String Dynamic Programming
50.00%
Medium
206Number of Turns in Binary TreeTree
50.00%
Hard
207Find Largest Value in Each Tree RowTree
50.00%
Medium
208Cake Distribution ProblemArray Searching Algorithms
64.62%
Hard
209Maximum Width of Binary TreeTree
50.00%
Easy
210Search Insert PositionArray Sorting Algorithms
48.03%
Easy
2113 SumArray Sorting Algorithm
35.80%
Medium
212K-PangramsString Hashing
20.91%
Medium
213Winner of an electionString Hashing
53.75%
Easy
214Making A Large IslandGraph BFS DFS
52.36%
Hard
215Stepping NumbersBFS DFS
48.44%
Medium
216Course ScheduleGraph BFS DFS
51.77%
Medium
217You and your booksArray Dynamic Programming
50.00%
Easy
218Maximize dot productDynamic Programming
13.27%
Medium
219Next Smallest PalindromeArray
19.63%
Hard
220Count Smaller elementsArray
38.16%
Hard
221Redundant ParenthesisString Stack
51.49%
Hard
222Smallest factorial numberSearching Algorithms
38.79%
Medium
223Insertion SortSorting Algorithms
66.61%
Easy
224Quick SortSorting Algorithms
55.23%
Medium
225Shop in Candy StoreSorting Algorithms
45.43%
Easy
226Tower of Hanoi Recursion
35.23%
Medium
227Power Of NumbersRecursion
20.22%
Medium
228Sort a stackRecursion
69.19%
Medium
229Reverse First K elements of QueueQueue
81.28%
Medium
230Queue using Linked ListQueue
45.60%
Easy
231Number of NGEs to the rightStack
56.74%
Medium
232Implement Stack using Linked ListStack
53.98%
Easy
233Implement Stack Using ArrayStack
54.76%
Basic
234Flattening a Linked ListLinked List
51.53%
Medium
235Kth from End of Linked ListLinked List
47.30%
Medium
236Merge Two Sorted ListsLinked List
65.70%
Medium
237Reverse a Linked ListLinked List
78.10%
Easy
238Find Kth RotationArray Stack Searching Algorithm
23.16%
Easy
239Merge Sorted ArraysArray Sorting Algorithms
32.01%
Easy
240Missing In ArrayArray Searching Algorithms
29.59%
Easy
241Maximum Product Of Two NumbersArray Sorting Algorithms
81.34%
Basic
242Maximum Subarray SumArray
36.28%
Medium
243Strings RotationsString
43.83%
Medium
244Unique PermutationsString
46.50%
Medium
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