Hashedin vs IBM Interview Questions
Hashedin lists 23 LeetCode interview questions while IBM lists 115. They share 6 problems — 26% of Hashedin's bank and 5% of IBM's. Focus on the overlap first, then drill into 17 Hashedin-only and 109 IBM-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Hashedin and IBM.
Step 2 — Company-specific depth: Add Hashedin-specific problems like Find Candidates for Data Scientist Position, Maximize Items, Maximum Points Inside the Square and IBM-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
6 Shared Questions
High-priority problems to practice for both Hashedin and IBM.
| Problem | Difficulty |
|---|---|
| Maximum Subarray | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Trapping Rain Water | Hard |
| Next Permutation | Medium |
| 3Sum | Medium |
| Group Anagrams | Medium |
Unique to Hashedin (17)
Problems in Hashedin's list that do not appear at IBM.
Unique to IBM (109)
Problems in IBM's list that do not appear at Hashedin.
| Problem | Difficulty |
|---|---|
| Find the Smallest Divisor Given a Threshold | Medium |
| Gray Code | Medium |
| Exclusive Time of Functions | Medium |
| Integer to Roman | Medium |
| Minimum Operations to Make Columns Strictly Increasing | Easy |
| Fizz Buzz | Easy |
| Roman to Integer | Easy |
| Count Ways to Group Overlapping Ranges | Medium |
| Two Sum | Easy |
| Meeting Rooms II | Medium |
| Rotate Image | Medium |
| Minimum Absolute Difference | Easy |
Frequently Asked Questions
How many LeetCode questions do Hashedin and IBM share?
Hashedin and IBM share 6 LeetCode interview questions. 17 problems appear only in Hashedin's list and 109 appear only in IBM's list.
What topics overlap most between Hashedin and IBM?
The most common shared topics between Hashedin and IBM are Array (6 shared questions), Dynamic Programming (3 shared questions), Two Pointers (3 shared questions), Sorting (2 shared questions), Divide and Conquer (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Hashedin or IBM?
Hashedin has 3 Easy, 15 Medium, and 5 Hard questions. IBM has 33 Easy, 73 Medium, and 9 Hard questions. Hashedin has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Hashedin and IBM?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 17 Hashedin-specific and 20 IBM-specific questions to round out your prep.