Pinterest vs TikTok Interview Questions
Pinterest lists 49 LeetCode interview questions while TikTok lists 351. They share 27 problems — 55% of Pinterest's bank and 8% of TikTok's. Focus on the overlap first, then drill into 22 Pinterest-only and 324 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 27 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Pinterest and TikTok.
Step 2 — Company-specific depth: Add Pinterest-specific problems like Count and Say, Reconstruct Itinerary, Optimal Account Balancing and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Pinterest skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
27 Shared Questions
High-priority problems to practice for both Pinterest and TikTok.
| Problem | Difficulty |
|---|---|
| Shortest Path in a Grid with Obstacles Elimination | Hard |
| Maximum Profit in Job Scheduling | Hard |
| Bus Routes | Hard |
| Expression Add Operators | Hard |
| Find Median from Data Stream | Hard |
| Reorganize String | Medium |
| Design Search Autocomplete System | Hard |
| Coin Change | Medium |
| Meeting Rooms III | Hard |
| String Compression | Medium |
| Sparse Matrix Multiplication | Medium |
| Unique Paths II | Medium |
| Employee Free Time | Hard |
| Is Graph Bipartite? | Medium |
| Accounts Merge | Medium |
| Combination Sum | Medium |
| Top K Frequent Elements | Medium |
| Meeting Rooms II | Medium |
| Possible Bipartition | Medium |
| Multiply Strings | Medium |
| Snakes and Ladders | Medium |
| Number of Islands | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Find the Celebrity | Medium |
| Find First and Last Position of Element in Sorted Array | Medium |
| Dot Product of Two Sparse Vectors | Medium |
| Candy Crush | Medium |
Unique to Pinterest (22)
Problems in Pinterest's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Count and Say | Medium |
| Reconstruct Itinerary | Hard |
| Optimal Account Balancing | Hard |
| Count Subarrays With Score Less Than K | Hard |
| Shortest Way to Form String | Medium |
| Is Subsequence | Easy |
| Longest Word in Dictionary | Medium |
| Find Median Given Frequency of Numbers | Hard |
| Jump Game III | Medium |
| Find K-th Smallest Pair Distance | Hard |
| Target Sum | Medium |
| Minimize Result by Adding Parentheses to Expression | Medium |
Unique to TikTok (324)
Problems in TikTok's list that do not appear at Pinterest.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Increasing Subsequence | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Distinct Islands | Medium |
| Course Schedule II | Medium |
| Merge Intervals | 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 |
Frequently Asked Questions
How many LeetCode questions do Pinterest and TikTok share?
Pinterest and TikTok share 27 LeetCode interview questions. 22 problems appear only in Pinterest's list and 324 appear only in TikTok's list.
What topics overlap most between Pinterest and TikTok?
The most common shared topics between Pinterest and TikTok are Array (17 shared questions), Sorting (9 shared questions), Breadth-First Search (8 shared questions), Hash Table (8 shared questions), String (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Pinterest or TikTok?
Pinterest has 1 Easy, 29 Medium, and 19 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. Pinterest has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Pinterest and TikTok?
Start with the 27 shared problems since they cover what both companies ask most often. Then add 20 Pinterest-specific and 20 TikTok-specific questions to round out your prep.