DocuSign vs TCS Interview Questions
DocuSign lists 36 LeetCode interview questions while TCS lists 228. They share 12 problems — 33% of DocuSign's bank and 5% of TCS's. Focus on the overlap first, then drill into 24 DocuSign-only and 216 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 12 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DocuSign and TCS.
Step 2 — Company-specific depth: Add DocuSign-specific problems like Design Authentication Manager, Count Non Decreasing Arrays With Given Digit Sums, Implement Trie (Prefix Tree) and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: DocuSign skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
12 Shared Questions
High-priority problems to practice for both DocuSign and TCS.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Merge Intervals | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Integer to Roman | Medium |
| Number of Islands | Medium |
| Top K Frequent Elements | Medium |
| Group Anagrams | Medium |
| Trapping Rain Water | Hard |
| Minimum Cost to Make at Least One Valid Path in a Grid | Hard |
| Word Ladder | Hard |
| Merge Two Sorted Lists | Easy |
| Task Scheduler | Medium |
Unique to DocuSign (24)
Problems in DocuSign's list that do not appear at TCS.
Unique to TCS (216)
Problems in TCS's list that do not appear at DocuSign.
| 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 DocuSign and TCS share?
DocuSign and TCS share 12 LeetCode interview questions. 24 problems appear only in DocuSign's list and 216 appear only in TCS's list.
What topics overlap most between DocuSign and TCS?
The most common shared topics between DocuSign and TCS are Hash Table (7 shared questions), Array (7 shared questions), Sorting (4 shared questions), String (4 shared questions), Breadth-First Search (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DocuSign or TCS?
DocuSign has 3 Easy, 26 Medium, and 7 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. DocuSign has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DocuSign and TCS?
Start with the 12 shared problems since they cover what both companies ask most often. Then add 20 DocuSign-specific and 20 TCS-specific questions to round out your prep.