IBM vs Snap Interview Questions
IBM lists 115 LeetCode interview questions while Snap lists 84. They share 8 problems — 7% of IBM's bank and 10% of Snap's. Focus on the overlap first, then drill into 107 IBM-only and 76 Snap-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 IBM and Snap.
Step 2 — Company-specific depth: Add IBM-specific problems like Find the Smallest Divisor Given a Threshold, Gray Code, 3Sum and Snap-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Snap 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 IBM and Snap.
| Problem | Difficulty |
|---|---|
| Meeting Rooms II | Medium |
| Merge Intervals | Medium |
| Longest Substring Without Repeating Characters | Medium |
| String Compression | Medium |
| Letter Combinations of a Phone Number | Medium |
| Group Anagrams | Medium |
| Product of Array Except Self | Medium |
| LRU Cache | Medium |
Unique to IBM (107)
Problems in IBM's list that do not appear at Snap.
| 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 |
| Rotate Image | Medium |
Unique to Snap (76)
Problems in Snap's list that do not appear at IBM.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Word Ladder | Hard |
| Minimum Window Substring | Hard |
| Design Log Storage System | Medium |
| Making A Large Island | Hard |
| Number of Distinct Islands | Medium |
| Bus Routes | Hard |
| Word Break II | Hard |
| Basic Calculator II | Medium |
| Combination Sum | Medium |
| Reverse Words in a String | Medium |
| Bricks Falling When Hit | Hard |
Frequently Asked Questions
How many LeetCode questions do IBM and Snap share?
IBM and Snap share 8 LeetCode interview questions. 107 problems appear only in IBM's list and 76 appear only in Snap's list.
What topics overlap most between IBM and Snap?
The most common shared topics between IBM and Snap are Array (4 shared questions), Hash Table (4 shared questions), String (4 shared questions), Sorting (3 shared questions), Two Pointers (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: IBM or Snap?
IBM has 33 Easy, 73 Medium, and 9 Hard questions. Snap has 5 Easy, 52 Medium, and 27 Hard questions. Snap has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both IBM and Snap?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 IBM-specific and 20 Snap-specific questions to round out your prep.