Siemens vs TikTok Interview Questions
Siemens lists 25 LeetCode interview questions while TikTok lists 351. They share 13 problems — 52% of Siemens's bank and 4% of TikTok's. Focus on the overlap first, then drill into 12 Siemens-only and 338 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Siemens and TikTok.
Step 2 — Company-specific depth: Add Siemens-specific problems like Minimized Maximum of Products Distributed to Any Store, Peaks in Array, The Skyline Problem and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: TikTok skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
13 Shared Questions
High-priority problems to practice for both Siemens and TikTok.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Merge Two Sorted Lists | Easy |
| LRU Cache | Medium |
| Two Sum | Easy |
| Maximum Product of Three Numbers | Easy |
| Group Anagrams | Medium |
| Longest Palindromic Substring | Medium |
| Maximum Product Subarray | Medium |
| Top K Frequent Elements | Medium |
| Rotate Array | Medium |
| Best Time to Buy and Sell Stock | Easy |
Unique to Siemens (12)
Problems in Siemens's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Minimized Maximum of Products Distributed to Any Store | Medium |
| Peaks in Array | Hard |
| The Skyline Problem | Hard |
| First Missing Positive | Hard |
| Valid Anagram | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Minimum Add to Make Parentheses Valid | Medium |
| Palindrome Number | Easy |
| Angle Between Hands of a Clock | Medium |
| Single Number III | Medium |
| Clone Graph | Medium |
| Strong Password Checker | Hard |
Unique to TikTok (338)
Problems in TikTok's list that do not appear at Siemens.
| Problem | Difficulty |
|---|---|
| Longest Increasing Subsequence | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Distinct Islands | Medium |
| Meeting Rooms II | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Trapping Rain Water | Hard |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| Decode String | Medium |
| Word Search | Medium |
| N-Queens | Hard |
Frequently Asked Questions
How many LeetCode questions do Siemens and TikTok share?
Siemens and TikTok share 13 LeetCode interview questions. 12 problems appear only in Siemens's list and 338 appear only in TikTok's list.
What topics overlap most between Siemens and TikTok?
The most common shared topics between Siemens and TikTok are Array (9 shared questions), Sorting (4 shared questions), Hash Table (4 shared questions), String (3 shared questions), Dynamic Programming (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Siemens or TikTok?
Siemens has 8 Easy, 13 Medium, and 4 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. TikTok has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Siemens and TikTok?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 12 Siemens-specific and 20 TikTok-specific questions to round out your prep.