LinkedIn vs Siemens Interview Questions
LinkedIn lists 141 LeetCode interview questions while Siemens lists 25. They share 9 problems — 6% of LinkedIn's bank and 36% of Siemens's. Focus on the overlap first, then drill into 132 LinkedIn-only and 16 Siemens-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both LinkedIn and Siemens.
Step 2 — Company-specific depth: Add LinkedIn-specific problems like Max Stack, Nested List Weight Sum II, All O`one Data Structure and Siemens-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: LinkedIn skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
9 Shared Questions
High-priority problems to practice for both LinkedIn and Siemens.
| Problem | Difficulty |
|---|---|
| Valid Parentheses | Easy |
| Number of Islands | Medium |
| Maximum Product Subarray | Medium |
| Merge Intervals | Medium |
| LRU Cache | Medium |
| Merge Two Sorted Lists | Easy |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Best Time to Buy and Sell Stock | Easy |
Unique to LinkedIn (132)
Problems in LinkedIn's list that do not appear at Siemens.
| Problem | Difficulty |
|---|---|
| Max Stack | Hard |
| Nested List Weight Sum II | Medium |
| All O`one Data Structure | Hard |
| Word Ladder | Hard |
| Find the Celebrity | Medium |
| Nested List Weight Sum | Medium |
| Design Authentication Manager | Medium |
| Find Leaves of Binary Tree | Medium |
| Shortest Word Distance II | Medium |
| Maximum Subarray | Medium |
| Max Consecutive Ones III | Medium |
| Can Place Flowers | Easy |
Unique to Siemens (16)
Problems in Siemens's list that do not appear at LinkedIn.
Frequently Asked Questions
How many LeetCode questions do LinkedIn and Siemens share?
LinkedIn and Siemens share 9 LeetCode interview questions. 132 problems appear only in LinkedIn's list and 16 appear only in Siemens's list.
What topics overlap most between LinkedIn and Siemens?
The most common shared topics between LinkedIn and Siemens are Array (5 shared questions), Dynamic Programming (3 shared questions), String (2 shared questions), Hash Table (2 shared questions), Linked List (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: LinkedIn or Siemens?
LinkedIn has 25 Easy, 90 Medium, and 26 Hard questions. Siemens has 8 Easy, 13 Medium, and 4 Hard questions. LinkedIn has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both LinkedIn and Siemens?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 LinkedIn-specific and 16 Siemens-specific questions to round out your prep.