Snowflake vs Twitter Interview Questions
Snowflake lists 100 LeetCode interview questions while Twitter lists 53. They share 9 problems — 9% of Snowflake's bank and 17% of Twitter's. Focus on the overlap first, then drill into 91 Snowflake-only and 44 Twitter-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snowflake and Twitter.
Step 2 — Company-specific depth: Add Snowflake-specific problems like Course Schedule II, Parallel Courses III, Design In-Memory File System and Twitter-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Twitter skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
9 Shared Questions
High-priority problems to practice for both Snowflake and Twitter.
| Problem | Difficulty |
|---|---|
| Happy Number | Easy |
| Trapping Rain Water | Hard |
| Merge k Sorted Lists | Hard |
| LRU Cache | Medium |
| Regular Expression Matching | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Random Pick with Weight | Medium |
| Rotting Oranges | Medium |
| Implement Trie (Prefix Tree) | Medium |
Unique to Snowflake (91)
Problems in Snowflake's list that do not appear at Twitter.
Unique to Twitter (44)
Problems in Twitter's list that do not appear at Snowflake.
| Problem | Difficulty |
|---|---|
| Integer to Roman | Medium |
| Valid Parentheses | Easy |
| Multiply Strings | Medium |
| Wildcard Matching | Hard |
| Merge Intervals | Medium |
| Permutation Sequence | Hard |
| Pascal's Triangle | Easy |
| Word Break II | Hard |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
| One Edit Distance | Medium |
| Reverse Linked List | Easy |
Frequently Asked Questions
How many LeetCode questions do Snowflake and Twitter share?
Snowflake and Twitter share 9 LeetCode interview questions. 91 problems appear only in Snowflake's list and 44 appear only in Twitter's list.
What topics overlap most between Snowflake and Twitter?
The most common shared topics between Snowflake and Twitter are Hash Table (4 shared questions), Array (4 shared questions), Math (3 shared questions), Design (3 shared questions), Two Pointers (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snowflake or Twitter?
Snowflake has 13 Easy, 67 Medium, and 20 Hard questions. Twitter has 8 Easy, 33 Medium, and 12 Hard questions. Twitter has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Snowflake and Twitter?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Snowflake-specific and 20 Twitter-specific questions to round out your prep.