Cisco vs Zenefits Interview Questions
Cisco lists 87 LeetCode interview questions while Zenefits lists 21. They share 8 problems — 9% of Cisco's bank and 38% of Zenefits's. Focus on the overlap first, then drill into 79 Cisco-only and 13 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Cisco and Zenefits.
Step 2 — Company-specific depth: Add Cisco-specific problems like Longest Palindromic Substring, House Robber, Predict the Winner and Zenefits-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zenefits skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
8 Shared Questions
High-priority problems to practice for both Cisco and Zenefits.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Valid Parentheses | Easy |
| Trapping Rain Water | Hard |
| Number of Islands | Medium |
| Reverse Linked List | Easy |
| Valid Palindrome | Easy |
| Min Stack | Medium |
| Sliding Window Maximum | Hard |
Unique to Cisco (79)
Problems in Cisco's list that do not appear at Zenefits.
| Problem | Difficulty |
|---|---|
| Longest Palindromic Substring | Medium |
| House Robber | 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 |
| Merge Intervals | Medium |
| Find Third Transaction | Medium |
Unique to Zenefits (13)
Problems in Zenefits's list that do not appear at Cisco.
| Problem | Difficulty |
|---|---|
| Median of Two Sorted Arrays | Hard |
| Graph Valid Tree | Medium |
| Course Schedule | Medium |
| Course Schedule II | Medium |
| Generate Parentheses | Medium |
| Majority Element II | Medium |
| Excel Sheet Column Title | Easy |
| Majority Element | Easy |
| Convert Sorted List to Binary Search Tree | Medium |
| N-Queens II | Hard |
| Flatten 2D Vector | Medium |
| Shortest Distance from All Buildings | Hard |
Frequently Asked Questions
How many LeetCode questions do Cisco and Zenefits share?
Cisco and Zenefits share 8 LeetCode interview questions. 79 problems appear only in Cisco's list and 13 appear only in Zenefits's list.
What topics overlap most between Cisco and Zenefits?
The most common shared topics between Cisco and Zenefits are Stack (3 shared questions), Array (3 shared questions), Linked List (2 shared questions), Design (2 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cisco or Zenefits?
Cisco has 24 Easy, 50 Medium, and 13 Hard questions. Zenefits has 5 Easy, 11 Medium, and 5 Hard questions. Zenefits has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cisco and Zenefits?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 Cisco-specific and 13 Zenefits-specific questions to round out your prep.