Atlassian vs Cognizant Interview Questions
Atlassian lists 62 LeetCode interview questions while Cognizant lists 29. They share 3 problems — 5% of Atlassian's bank and 10% of Cognizant's. Focus on the overlap first, then drill into 59 Atlassian-only and 26 Cognizant-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Atlassian and Cognizant.
Step 2 — Company-specific depth: Add Atlassian-specific problems like Rank Teams by Votes, Stock Price Fluctuation, All O`one Data Structure and Cognizant-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
3 Shared Questions
High-priority problems to practice for both Atlassian and Cognizant.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
Unique to Atlassian (59)
Problems in Atlassian's list that do not appear at Cognizant.
| Problem | Difficulty |
|---|---|
| Rank Teams by Votes | Medium |
| Stock Price Fluctuation | Medium |
| All O`one Data Structure | Hard |
| Design Snake Game | Medium |
| Merge Intervals | 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 |
Unique to Cognizant (26)
Problems in Cognizant's list that do not appear at Atlassian.
Frequently Asked Questions
How many LeetCode questions do Atlassian and Cognizant share?
Atlassian and Cognizant share 3 LeetCode interview questions. 59 problems appear only in Atlassian's list and 26 appear only in Cognizant's list.
What topics overlap most between Atlassian and Cognizant?
The most common shared topics between Atlassian and Cognizant are Array (2 shared questions), Hash Table (2 shared questions), String (1 shared questions), Sliding Window (1 shared questions), Divide and Conquer (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Atlassian or Cognizant?
Atlassian has 6 Easy, 42 Medium, and 14 Hard questions. Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Atlassian has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Atlassian and Cognizant?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Atlassian-specific and 20 Cognizant-specific questions to round out your prep.