TCS vs Turing Interview Questions
TCS lists 228 LeetCode interview questions while Turing lists 37. They share 16 problems — 7% of TCS's bank and 43% of Turing's. Focus on the overlap first, then drill into 212 TCS-only and 21 Turing-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 16 overlapping problems first. These are the highest-yield questions for candidates interviewing at both TCS and Turing.
Step 2 — Company-specific depth: Add TCS-specific problems like Friday Purchases I, Palindrome Number, Move Zeroes and Turing-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Turing skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
16 Shared Questions
High-priority problems to practice for both TCS and Turing.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Maximum Subarray | Medium |
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Median of Two Sorted Arrays | Hard |
| 3Sum | Medium |
| Jump Game | Medium |
| Find First and Last Position of Element in Sorted Array | Medium |
| Merge Intervals | Medium |
| Group Anagrams | Medium |
| Product of Array Except Self | Medium |
| Koko Eating Bananas | Medium |
| Number of Islands | Medium |
Unique to TCS (212)
Problems in TCS's list that do not appear at Turing.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Palindrome Number | Easy |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
| Subarray Sum Equals K | Medium |
| Rotate Array | Medium |
| Container With Most Water | Medium |
Unique to Turing (21)
Problems in Turing's list that do not appear at TCS.
Frequently Asked Questions
How many LeetCode questions do TCS and Turing share?
TCS and Turing share 16 LeetCode interview questions. 212 problems appear only in TCS's list and 21 appear only in Turing's list.
What topics overlap most between TCS and Turing?
The most common shared topics between TCS and Turing are Array (13 shared questions), String (5 shared questions), Dynamic Programming (4 shared questions), Hash Table (3 shared questions), Binary Search (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: TCS or Turing?
TCS has 99 Easy, 108 Medium, and 21 Hard questions. Turing has 10 Easy, 23 Medium, and 4 Hard questions. Turing has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both TCS and Turing?
Start with the 16 shared problems since they cover what both companies ask most often. Then add 20 TCS-specific and 20 Turing-specific questions to round out your prep.