Cisco vs Expedia Interview Questions
Cisco lists 87 LeetCode interview questions while Expedia lists 64. They share 13 problems — 15% of Cisco's bank and 20% of Expedia's. Focus on the overlap first, then drill into 74 Cisco-only and 51 Expedia-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Cisco and Expedia.
Step 2 — Company-specific depth: Add Cisco-specific problems like Longest Palindromic Substring, Predict the Winner, Lucky Numbers in a Matrix and Expedia-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Cisco skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
13 Shared Questions
High-priority problems to practice for both Cisco and Expedia.
| Problem | Difficulty |
|---|---|
| House Robber | Medium |
| LRU Cache | Medium |
| Merge Intervals | Medium |
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Trapping Rain Water | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Letter Combinations of a Phone Number | Medium |
| Number of Islands | Medium |
| Group Anagrams | Medium |
| Kth Smallest Element in a BST | Medium |
| Sliding Window Maximum | Hard |
Unique to Cisco (74)
Problems in Cisco's list that do not appear at Expedia.
| Problem | Difficulty |
|---|---|
| Longest Palindromic Substring | Medium |
| Predict the Winner | Medium |
| Lucky Numbers in a Matrix | Easy |
| Rotate Image | Medium |
| Spiral Matrix | Medium |
| Fizz Buzz | Easy |
| Snakes and Ladders | Medium |
| Number of Valid Words in a Sentence | Easy |
| Maximum Difference Between Increasing Elements | Easy |
| Find Third Transaction | Medium |
| Implement Router | Medium |
| Word Search II | Hard |
Unique to Expedia (51)
Problems in Expedia's list that do not appear at Cisco.
Frequently Asked Questions
How many LeetCode questions do Cisco and Expedia share?
Cisco and Expedia share 13 LeetCode interview questions. 74 problems appear only in Cisco's list and 51 appear only in Expedia's list.
What topics overlap most between Cisco and Expedia?
The most common shared topics between Cisco and Expedia are Array (8 shared questions), Hash Table (5 shared questions), String (4 shared questions), Dynamic Programming (3 shared questions), Sorting (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cisco or Expedia?
Cisco has 24 Easy, 50 Medium, and 13 Hard questions. Expedia has 13 Easy, 42 Medium, and 9 Hard questions. Cisco has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cisco and Expedia?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 20 Cisco-specific and 20 Expedia-specific questions to round out your prep.