LinkedIn OA questions,
23 reported by real candidates.
Every LinkedIn online assessment question candidates have reported, most recent September 2026. The pattern that shows up most: tree.
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September 2026 (21)
array
Merge N-Ary Trees by Key
graph
Find the Intersection Node of Two Linked Lists
Permutations II
array
Inverse-Depth Nested List Sum
tree
Binary Tree Zigzag Level Order Traversal
design
LRU Cache with Hit and Miss Counters
Max Points on a Line
tree
Maximum Depth of Binary Tree
sliding window
Minimum Window Substring
Users with a Short Sign-In Session
Restricted Decimal Number Validator
tree
Second Minimum in a Tournament Tree
stack
Max Stack
bit manipulation
Uniform 0-6 from an Unknown Biased Bit
design
Thread-Safe LRU Cache with TTL
tree
Find Leaves of a Binary Tree
tree
Schedule Tasks with an Interval Tree
breadth first search
Explore an Unknown Grid and Find a Path
Flowerbed Capacity Queries
Largest Number
string
Repeated Shortest Word Distance Queries
April 2026 (1)
September 2024 (1)
⏵ Beyond the OA
LinkedIn also has 141 LeetCode problems reported from its interviews, with the topics it leans on most.
⏵ The honest play
You've seen LinkedIn's questions.
Yours might be the one not on the list.
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