Cognizant vs Expedia Interview Questions
Cognizant lists 29 LeetCode interview questions while Expedia lists 64. They share 3 problems — 10% of Cognizant's bank and 5% of Expedia's. Focus on the overlap first, then drill into 26 Cognizant-only and 61 Expedia-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 Cognizant and Expedia.
Step 2 — Company-specific depth: Add Cognizant-specific problems like Palindrome Number, Count Subarrays of Length Three With a Condition, Smallest Value of the Rearranged Number and Expedia-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Expedia 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 Cognizant and Expedia.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
Unique to Cognizant (26)
Problems in Cognizant's list that do not appear at Expedia.
Unique to Expedia (61)
Problems in Expedia's list that do not appear at Cognizant.
Frequently Asked Questions
How many LeetCode questions do Cognizant and Expedia share?
Cognizant and Expedia share 3 LeetCode interview questions. 26 problems appear only in Cognizant's list and 61 appear only in Expedia's list.
What topics overlap most between Cognizant and Expedia?
The most common shared topics between Cognizant and Expedia are Hash Table (2 shared questions), String (2 shared questions), Array (1 shared questions), Stack (1 shared questions), Sliding Window (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cognizant or Expedia?
Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Expedia has 13 Easy, 42 Medium, and 9 Hard questions. Expedia has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cognizant and Expedia?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Cognizant-specific and 20 Expedia-specific questions to round out your prep.