Amazon vs Hashedin Interview Questions
Amazon lists 1,968 LeetCode interview questions while Hashedin lists 23. They share 17 problems — 1% of Amazon's bank and 74% of Hashedin's. Focus on the overlap first, then drill into 1,951 Amazon-only and 6 Hashedin-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 17 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Amazon and Hashedin.
Step 2 — Company-specific depth: Add Amazon-specific problems like Two Sum, LRU Cache, Longest Substring Without Repeating Characters and Hashedin-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Hashedin skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
17 Shared Questions
High-priority problems to practice for both Amazon and Hashedin.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| 3Sum | Medium |
| Container With Most Water | Medium |
| Koko Eating Bananas | Medium |
| Maximum Subarray | Medium |
| Jump Game | Medium |
| Next Permutation | Medium |
| Jump Game II | Medium |
| Maximum Product Subarray | Medium |
| Edit Distance | Medium |
| Isomorphic Strings | Easy |
| Minimum Time to Repair Cars | Medium |
| Minimum Cost to Make Array Equal | Hard |
| Beautiful Arrangement | Medium |
Unique to Amazon (1,951)
Problems in Amazon's list that do not appear at Hashedin.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Add Two Numbers | Medium |
| Reorganize String | Medium |
| Longest Palindromic Substring | Medium |
| Merge Intervals | Medium |
| Median of Two Sorted Arrays | Hard |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Merge k Sorted Lists | Hard |
| Longest Common Prefix | Easy |
Unique to Hashedin (6)
Problems in Hashedin's list that do not appear at Amazon.
Frequently Asked Questions
How many LeetCode questions do Amazon and Hashedin share?
Amazon and Hashedin share 17 LeetCode interview questions. 1951 problems appear only in Amazon's list and 6 appear only in Hashedin's list.
What topics overlap most between Amazon and Hashedin?
The most common shared topics between Amazon and Hashedin are Array (15 shared questions), Dynamic Programming (8 shared questions), Two Pointers (4 shared questions), Greedy (4 shared questions), String (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Amazon or Hashedin?
Amazon has 527 Easy, 1074 Medium, and 367 Hard questions. Hashedin has 3 Easy, 15 Medium, and 5 Hard questions. Hashedin has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Amazon and Hashedin?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 20 Amazon-specific and 6 Hashedin-specific questions to round out your prep.