Pinterest vs TCS Interview Questions
Pinterest lists 49 LeetCode interview questions while TCS lists 228. They share 9 problems — 18% of Pinterest's bank and 4% of TCS's. Focus on the overlap first, then drill into 40 Pinterest-only and 219 TCS-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 Pinterest and TCS.
Step 2 — Company-specific depth: Add Pinterest-specific problems like Reconstruct Itinerary, Shortest Path in a Grid with Obstacles Elimination, Optimal Account Balancing and TCS-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
9 Shared Questions
High-priority problems to practice for both Pinterest and TCS.
| Problem | Difficulty |
|---|---|
| Count and Say | Medium |
| String Compression | Medium |
| Unique Paths II | Medium |
| Top K Frequent Elements | Medium |
| Letter Combinations of a Phone Number | Medium |
| Single Element in a Sorted Array | Medium |
| Multiply Strings | Medium |
| Number of Islands | Medium |
| Find First and Last Position of Element in Sorted Array | Medium |
Unique to Pinterest (40)
Problems in Pinterest's list that do not appear at TCS.
Unique to TCS (219)
Problems in TCS's list that do not appear at Pinterest.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
| Maximum Subarray | Medium |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
Frequently Asked Questions
How many LeetCode questions do Pinterest and TCS share?
Pinterest and TCS share 9 LeetCode interview questions. 40 problems appear only in Pinterest's list and 219 appear only in TCS's list.
What topics overlap most between Pinterest and TCS?
The most common shared topics between Pinterest and TCS are Array (5 shared questions), String (4 shared questions), Matrix (2 shared questions), Hash Table (2 shared questions), Binary Search (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Pinterest or TCS?
Pinterest has 1 Easy, 29 Medium, and 19 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Pinterest has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Pinterest and TCS?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Pinterest-specific and 20 TCS-specific questions to round out your prep.