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LinkedIn DSA Interview Questions

Accelerate your premium tech placement preparation with the official LinkedIn DSA interview preparation sheet, custom-built for freshers, SDE-1, SDE-2, and Infrastructure Engineering aspirants. LinkedIn's global platform demands highly optimized algorithmic systems capable of managing complex social graph traversals, distributed feed logging, and high-concurrency connection mappings. This production-grade dataset features 56 of the most frequently tracked LinkedIn coding interview questions across mission-critical archetypes—including bi-directional graph routing, low-overhead string parsing, nested network hierarchy structures, and thread-safe design frameworks. Loaded with direct LeetCode and GeeksforGeeks links alongside real candidate popularity metrics, this tracking sheet will maximize your site's traction and organic search positioning.

56 Problems
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Overall Progress

0/56

1. Find Median from Data Stream
LeetCode•
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Very Hot
2. LRU Cache
LeetCode•
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Very Hot
3. Word Ladder
LeetCode•
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Very Hot
4. Subarray Sum Equals K
LeetCode•
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Hot
5. Merge Intervals
LeetCode•
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Hot
6. Can Place Flowers
LeetCode•
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Hot
7. Maximum Subarray
LeetCode•
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Hot
8. Trapping Rain Water
LeetCode•
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Very Hot
9. Longest Substring Without Repeating Characters
LeetCode•
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Hot
10. Product of Array Except Self
LeetCode•
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Hot
11. Search in Rotated Sorted Array
LeetCode•
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Very Hot
12. Number of Islands
LeetCode•
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Warm
13. Valid Parentheses
LeetCode•
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Hot
14. Best Time to Buy and Sell Stock
LeetCode•
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Hot
15. Group Anagrams
LeetCode•
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Warm
16. Lowest Common Ancestor of a Binary Tree
LeetCode•
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Hot
17. Binary Tree Level Order Traversal
LeetCode•
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Warm
18. Two Sum
LeetCode•
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Hot
19. Word Break
LeetCode•
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Hot
20. Decode String
LeetCode•
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Hot
21. Kth Largest Element in an Array
LeetCode•
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Hot
22. Climbing Stairs
LeetCode•
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Hot
23. Longest Consecutive Sequence
LeetCode•
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Hot
24. Course Schedule II
LeetCode•
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Warm
25. Design Social Network Dynamic Graph Connection Architecture
GeeksforGeeks•
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Very Hot
26. Subsets
LeetCode•
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Warm
27. Reverse Linked List
LeetCode•
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Hot
28. Linked List Cycle
LeetCode•
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Hot
29. Merge Two Sorted Lists
LeetCode•
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Warm
30. House Robber
LeetCode•
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Hot
31. Next Permutation
LeetCode•
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Warm
32. Rotting Oranges
LeetCode•
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Hot
33. Top K Frequent Words
LeetCode•
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Warm
34. Merge k Sorted Lists
LeetCode•
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Hot
35. Median of Two Sorted Arrays
LeetCode•
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Warm
36. Sliding Window Maximum
LeetCode•
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Hot
37. 3Sum
LeetCode•
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Hot
38. Spiral Matrix
LeetCode•
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Warm
39. Longest Increasing Subsequence
LeetCode•
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Hot
40. Decode Ways
LeetCode•
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Warm
41. Minimum Window Substring
LeetCode•
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Warm
42. Implement Trie (Prefix Tree)
LeetCode•
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Warm
43. Gas Station
LeetCode•
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Hot
44. Word Search
LeetCode•
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Warm
45. Partition Equal Subset Sum
LeetCode•
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Hot
46. Diameter of Binary Tree
LeetCode•
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Hot
47. Permutations
LeetCode•
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Warm
48. Meeting Rooms
GeeksforGeeks•
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Hot
49. Check if Subtree
LeetCode•
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Warm
50. Edit Distance
LeetCode•
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Warm
51. Find All Anagrams in a String
LeetCode•
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Very Hot
52. Evaluate Division
LeetCode•
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Warm
53. Shortest Path in a Binary Maze
GeeksforGeeks•
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Hot
54. LFU Cache
LeetCode•
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Hot
55. Maximum Profit in Job Scheduling
LeetCode•
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Hot
56. Second Degree Connections (Graph Archetype)
GeeksforGeeks•
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Very Hot