Google vs LinkedIn Interview Questions
Google lists 2,305 LeetCode interview questions while LinkedIn lists 141. They share 126 problems — 5% of Google's bank and 89% of LinkedIn's. Focus on the overlap first, then drill into 2,179 Google-only and 15 LinkedIn-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 126 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Google and LinkedIn.
Step 2 — Company-specific depth: Add Google-specific problems like Add Two Numbers, Trapping Rain Water, Longest Common Prefix and LinkedIn-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Google skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
126 Shared Questions
High-priority problems to practice for both Google and LinkedIn.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Median of Two Sorted Arrays | Hard |
| Merge Sorted Array | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Palindromic Substring | Medium |
| Valid Parentheses | Easy |
| Merge Intervals | Medium |
| Number of Islands | Medium |
| Maximum Subarray | Medium |
| Merge Two Sorted Lists | Easy |
| Next Permutation | Medium |
| Koko Eating Bananas | Medium |
| Search in Rotated Sorted Array | Medium |
| LRU Cache | Medium |
| Letter Combinations of a Phone Number | Medium |
| House Robber | Medium |
| Kth Largest Element in an Array | Medium |
| Pow(x, n) | Medium |
| Product of Array Except Self | Medium |
| Number of Visible People in a Queue | Hard |
| Find First and Last Position of Element in Sorted Array | Medium |
| Min Stack | Medium |
| Intersection of Two Arrays | Easy |
| Permutations | Medium |
| Sqrt(x) | Easy |
| Merge k Sorted Lists | Hard |
| Maximum Product Subarray | Medium |
| Max Consecutive Ones III | Medium |
| Insert Delete GetRandom O(1) | Medium |
Showing top 30 of 126 shared problems.
Unique to Google (2,179)
Problems in Google's list that do not appear at LinkedIn.
| Problem | Difficulty |
|---|---|
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Longest Common Prefix | Easy |
| Palindrome Number | Easy |
| 3Sum | Medium |
| Create Hello World Function | Easy |
| Merge Strings Alternately | Easy |
| Longest Consecutive Sequence | Medium |
| Container With Most Water | Medium |
| Recyclable and Low Fat Products | Easy |
| Majority Element | Easy |
| Roman to Integer | Easy |
Unique to LinkedIn (15)
Problems in LinkedIn's list that do not appear at Google.
Frequently Asked Questions
How many LeetCode questions do Google and LinkedIn share?
Google and LinkedIn share 126 LeetCode interview questions. 2179 problems appear only in Google's list and 15 appear only in LinkedIn's list.
What topics overlap most between Google and LinkedIn?
The most common shared topics between Google and LinkedIn are Array (20 shared questions), Binary Search (7 shared questions), Hash Table (6 shared questions), Dynamic Programming (5 shared questions), Divide and Conquer (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Google or LinkedIn?
Google has 601 Easy, 1205 Medium, and 499 Hard questions. LinkedIn has 25 Easy, 90 Medium, and 26 Hard questions. Google has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Google and LinkedIn?
Start with the 126 shared problems since they cover what both companies ask most often. Then add 20 Google-specific and 15 LinkedIn-specific questions to round out your prep.