Oracle vs Snapchat Interview Questions
Oracle lists 314 LeetCode interview questions while Snapchat lists 99. They share 49 problems — 16% of Oracle's bank and 49% of Snapchat's. Focus on the overlap first, then drill into 265 Oracle-only and 50 Snapchat-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 49 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Oracle and Snapchat.
Step 2 — Company-specific depth: Add Oracle-specific problems like Two Sum, Sliding Window Maximum, Valid Parentheses and Snapchat-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Snapchat skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
49 Shared Questions
High-priority problems to practice for both Oracle and Snapchat.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Merge Intervals | Medium |
| Meeting Rooms II | Medium |
| LFU Cache | Hard |
| Search in Rotated Sorted Array | Medium |
| Reverse Linked List | Easy |
| Min Stack | Medium |
| Koko Eating Bananas | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Course Schedule | Medium |
| Median of Two Sorted Arrays | Hard |
| Unique Binary Search Trees | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Binary Tree Maximum Path Sum | Hard |
| Task Scheduler | Medium |
| Product of Array Except Self | Medium |
| Word Ladder | Hard |
| Minimum Window Substring | Hard |
| Letter Combinations of a Phone Number | Medium |
| Word Break II | Hard |
| String Compression | Medium |
| Search a 2D Matrix II | Medium |
| Word Search | Medium |
| Number of Distinct Islands | Medium |
| Reverse Words in a String | Medium |
| Course Schedule II | Medium |
Showing top 30 of 49 shared problems.
Unique to Oracle (265)
Problems in Oracle's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
| Asteroid Collision | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Container With Most Water | Medium |
| 3Sum | Medium |
| Trapping Rain Water | Hard |
Unique to Snapchat (50)
Problems in Snapchat's list that do not appear at Oracle.
| Problem | Difficulty |
|---|---|
| One Edit Distance | Medium |
| Alien Dictionary | Hard |
| Closest Binary Search Tree Value | Easy |
| Game of Life | Medium |
| Burst Balloons | Hard |
| Binary Tree Vertical Order Traversal | Medium |
| Combination Sum IV | Medium |
| Ternary Expression Parser | Medium |
| Word Abbreviation | Hard |
| Design Log Storage System | Medium |
| Largest Merge Of Two Strings | Medium |
| Least Operators to Express Number | Hard |
Frequently Asked Questions
How many LeetCode questions do Oracle and Snapchat share?
Oracle and Snapchat share 49 LeetCode interview questions. 265 problems appear only in Oracle's list and 50 appear only in Snapchat's list.
What topics overlap most between Oracle and Snapchat?
The most common shared topics between Oracle and Snapchat are Array (16 shared questions), Hash Table (12 shared questions), String (9 shared questions), Depth-First Search (6 shared questions), Sorting (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Oracle or Snapchat?
Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. Snapchat has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Oracle and Snapchat?
Start with the 49 shared problems since they cover what both companies ask most often. Then add 20 Oracle-specific and 20 Snapchat-specific questions to round out your prep.