Atlassian vs TCS Interview Questions
Atlassian lists 62 LeetCode interview questions while TCS lists 228. They share 18 problems — 29% of Atlassian's bank and 8% of TCS's. Focus on the overlap first, then drill into 44 Atlassian-only and 210 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 18 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Atlassian and TCS.
Step 2 — Company-specific depth: Add Atlassian-specific problems like Rank Teams by Votes, Stock Price Fluctuation, All O`one Data Structure and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Atlassian skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
18 Shared Questions
High-priority problems to practice for both Atlassian and TCS.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Top K Frequent Elements | Medium |
| Group Anagrams | Medium |
| Koko Eating Bananas | Medium |
| Longest Consecutive Sequence | Medium |
| Two Sum | Easy |
| Jump Game II | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Longest Increasing Subsequence | Medium |
| Find K Closest Elements | Medium |
| Find First and Last Position of Element in Sorted Array | Medium |
| LRU Cache | Medium |
| Serialize and Deserialize Binary Tree | Hard |
| Next Permutation | Medium |
| Tallest Billboard | Hard |
| Best Time to Buy and Sell Stock II | Medium |
Unique to Atlassian (44)
Problems in Atlassian's list that do not appear at TCS.
| Problem | Difficulty |
|---|---|
| Rank Teams by Votes | Medium |
| Stock Price Fluctuation | Medium |
| All O`one Data Structure | Hard |
| Design Snake Game | Medium |
| High-Access Employees | Medium |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Meeting Rooms II | Medium |
| Word Search | Medium |
| Find the Width of Columns of a Grid | Easy |
| Number of Possible Sets of Closing Branches | Hard |
| Text Justification | Hard |
| Maximum Square Area by Removing Fences From a Field | Medium |
Unique to TCS (210)
Problems in TCS's list that do not appear at Atlassian.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | 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 |
| Valid Parentheses | Easy |
Frequently Asked Questions
How many LeetCode questions do Atlassian and TCS share?
Atlassian and TCS share 18 LeetCode interview questions. 44 problems appear only in Atlassian's list and 210 appear only in TCS's list.
What topics overlap most between Atlassian and TCS?
The most common shared topics between Atlassian and TCS are Array (15 shared questions), Dynamic Programming (6 shared questions), Hash Table (6 shared questions), Sorting (4 shared questions), Binary Search (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Atlassian or TCS?
Atlassian has 6 Easy, 42 Medium, and 14 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Atlassian has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Atlassian and TCS?
Start with the 18 shared problems since they cover what both companies ask most often. Then add 20 Atlassian-specific and 20 TCS-specific questions to round out your prep.