Amazon vs Zeta Interview Questions
Amazon lists 1,968 LeetCode interview questions while Zeta lists 30. They share 28 problems — 1% of Amazon's bank and 93% of Zeta's. Focus on the overlap first, then drill into 1,940 Amazon-only and 2 Zeta-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 28 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Amazon and Zeta.
Step 2 — Company-specific depth: Add Amazon-specific problems like Two Sum, LRU Cache, Number of Islands and Zeta-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zeta skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
28 Shared Questions
High-priority problems to practice for both Amazon and Zeta.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Merge Intervals | Medium |
| Median of Two Sorted Arrays | Hard |
| Maximum Subarray | Medium |
| House Robber | Medium |
| Sliding Window Maximum | Hard |
| Task Scheduler | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Word Break | Medium |
| Minimum Window Substring | Hard |
| Reverse Nodes in k-Group | Hard |
| Capacity To Ship Packages Within D Days | Medium |
| Next Greater Element II | Medium |
| Split Array Largest Sum | Hard |
| Maximal Rectangle | Hard |
| Remove K Digits | Medium |
| Binary Tree Cameras | Hard |
| Palindrome Partitioning II | Hard |
| Find All Possible Recipes from Given Supplies | Medium |
| Heaters | Medium |
| Partition to K Equal Sum Subsets | Medium |
| Distribute Coins in Binary Tree | Medium |
| Minimize the Maximum Difference of Pairs | Medium |
| Shifting Letters II | Medium |
| Count Univalue Subtrees | Medium |
| Remove Boxes | Hard |
| Power Grid Maintenance | Medium |
Unique to Amazon (1,940)
Problems in Amazon's list that do not appear at Zeta.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| LRU Cache | Medium |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Add Two Numbers | Medium |
| Reorganize String | Medium |
| 3Sum | Medium |
| Longest Palindromic Substring | Medium |
| Container With Most Water | Medium |
| Koko Eating Bananas | Medium |
| Valid Parentheses | Easy |
Unique to Zeta (2)
Problems in Zeta's list that do not appear at Amazon.
| Problem | Difficulty |
|---|---|
| Apply Operations to Make Two Strings Equal | Medium |
| Guess Number Higher or Lower II | Medium |
Frequently Asked Questions
How many LeetCode questions do Amazon and Zeta share?
Amazon and Zeta share 28 LeetCode interview questions. 1940 problems appear only in Amazon's list and 2 appear only in Zeta's list.
What topics overlap most between Amazon and Zeta?
The most common shared topics between Amazon and Zeta are Array (20 shared questions), Dynamic Programming (11 shared questions), Hash Table (7 shared questions), String (7 shared questions), Binary Search (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Amazon or Zeta?
Amazon has 527 Easy, 1074 Medium, and 367 Hard questions. Zeta has 0 Easy, 20 Medium, and 10 Hard questions. Zeta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Amazon and Zeta?
Start with the 28 shared problems since they cover what both companies ask most often. Then add 20 Amazon-specific and 2 Zeta-specific questions to round out your prep.