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DSA Problems
Practice real interview questions and track your progress
35 problems
# Title Topics Acceptance SolutionDifficulty
1 Permutation of an ArrayArray Recursion
68.00%
Medium
2 Missing And RepeatingArray
24.83%
Easy
3 Search In Rotated Sorted Array Array Searching Algorithms
37.64%
Medium
4 Longest Common PrefixArray String
44.20%
Easy
5 Count InversionsArray Sorting Algorithms
16.93%
Medium
6 2Sum - Pair With Given SumArray Hashing Hashmap
30.61%
Easy
7 Maximize Number of 1'sArray Binary Search
50.00%
Medium
8 Maximum fruit gathering by birdsArray
50.00%
Easy
9 Sum of elements of smallest subarray greater than xArray
50.00%
Easy
10 Minimum sumArray Sorting Algorithms
17.14%
Medium
11 Number of PairsArray
21.82%
Medium
12 Find Transition PointArray Searching Algorithms
37.90%
Easy
13 0-1 Knapsack ProblemArray Dynamic Programming
50.00%
Medium
14 Rod CuttingArray Dynamic Programming
50.00%
Medium
15 Stock buy and sellArray Dynamic Programming
29.18%
Medium
16 Maximum Meetings in One RoomArray Sorting Algorithms
33.57%
Medium
17 Distinct Paths IIArray Recursion Dynamic Programming 2D Array
50.00%
Medium
18 Minimum Path SumArray Dynamic Programming 2D Array
50.00%
Medium
19 Distinct PathsArray Recursion Dynamic Programming 2D Array
50.00%
Medium
20 Longest Increasing SubsequenceArray Dynamic Programming
20.00%
Medium
21 Longest Common SubsequenceArray String Dynamic Programming
50.00%
Medium
22 Cake Distribution ProblemArray Searching Algorithms
64.62%
Hard
23 Search Insert PositionArray Sorting Algorithms
48.03%
Easy
24 3 SumArray Sorting Algorithm
35.80%
Medium
25 Making A Large IslandGraph BFS DFS
52.36%
Hard
26 Stepping NumbersBFS DFS
48.44%
Medium
27 Course ScheduleGraph BFS DFS
51.77%
Medium
28 You and your booksArray Dynamic Programming
50.00%
Easy
29 Next Smallest PalindromeArray
19.63%
Hard
30 Count Smaller elementsArray
38.16%
Hard
31 Find Kth RotationArray Stack Searching Algorithm
23.16%
Easy
32 Merge Sorted ArraysArray Sorting Algorithms
32.01%
Easy
33 Missing In ArrayArray Searching Algorithms
29.59%
Easy
34 Maximum Product Of Two NumbersArray Sorting Algorithms
81.34%
Basic
35 Maximum Subarray SumArray
36.28%
Medium
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