TCS vs Waymo Interview Questions
TCS lists 228 LeetCode interview questions while Waymo lists 25. They share 4 problems — 2% of TCS's bank and 16% of Waymo's. Focus on the overlap first, then drill into 224 TCS-only and 21 Waymo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both TCS and Waymo.
Step 2 — Company-specific depth: Add TCS-specific problems like Friday Purchases I, Two Sum, Longest Palindromic Substring and Waymo-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Waymo skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both TCS and Waymo.
| Problem | Difficulty |
|---|---|
| Maximum Gap | Medium |
| Regular Expression Matching | Hard |
| Number of Islands | Medium |
| Largest Rectangle in Histogram | Hard |
Unique to TCS (224)
Problems in TCS's list that do not appear at Waymo.
| 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 |
Unique to Waymo (21)
Problems in Waymo's list that do not appear at TCS.
Frequently Asked Questions
How many LeetCode questions do TCS and Waymo share?
TCS and Waymo share 4 LeetCode interview questions. 224 problems appear only in TCS's list and 21 appear only in Waymo's list.
What topics overlap most between TCS and Waymo?
The most common shared topics between TCS and Waymo are Array (3 shared questions), Sorting (1 shared questions), Bucket Sort (1 shared questions), Radix Sort (1 shared questions), String (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: TCS or Waymo?
TCS has 99 Easy, 108 Medium, and 21 Hard questions. Waymo has 1 Easy, 13 Medium, and 11 Hard questions. Waymo has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both TCS and Waymo?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 TCS-specific and 20 Waymo-specific questions to round out your prep.