IBM vs Zepto Interview Questions
IBM lists 115 LeetCode interview questions while Zepto lists 24. They share 4 problems — 3% of IBM's bank and 17% of Zepto's. Focus on the overlap first, then drill into 111 IBM-only and 20 Zepto-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both IBM and Zepto.
Step 2 — Company-specific depth: Add IBM-specific problems like Find the Smallest Divisor Given a Threshold, Gray Code, 3Sum and Zepto-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zepto skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both IBM and Zepto.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Longest Consecutive Sequence | Medium |
| Next Permutation | Medium |
Unique to IBM (111)
Problems in IBM's list that do not appear at Zepto.
| Problem | Difficulty |
|---|---|
| Find the Smallest Divisor Given a Threshold | Medium |
| Gray Code | Medium |
| 3Sum | 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 |
| Best Time to Buy and Sell Stock | Easy |
| Count Ways to Group Overlapping Ranges | Medium |
| Two Sum | Easy |
| Meeting Rooms II | Medium |
Unique to Zepto (20)
Problems in Zepto's list that do not appear at IBM.
| Problem | Difficulty |
|---|---|
| Longest Univalue Path | Medium |
| Minimum Cost For Tickets | Medium |
| Path Sum III | Medium |
| Make Array Empty | Hard |
| Koko Eating Bananas | Medium |
| Find Peak Element | Medium |
| Maximum Width Ramp | Medium |
| Sliding Window Maximum | Hard |
| Find the Distance Value Between Two Arrays | Easy |
| Longest Repeating Character Replacement | Medium |
| Count Sub Islands | Medium |
| Search in Rotated Sorted Array | Medium |
Frequently Asked Questions
How many LeetCode questions do IBM and Zepto share?
IBM and Zepto share 4 LeetCode interview questions. 111 problems appear only in IBM's list and 20 appear only in Zepto's list.
What topics overlap most between IBM and Zepto?
The most common shared topics between IBM and Zepto are Array (3 shared questions), Hash Table (2 shared questions), Sorting (1 shared questions), String (1 shared questions), Sliding Window (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: IBM or Zepto?
IBM has 33 Easy, 73 Medium, and 9 Hard questions. Zepto has 1 Easy, 21 Medium, and 2 Hard questions. Zepto has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both IBM and Zepto?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 IBM-specific and 20 Zepto-specific questions to round out your prep.