Snapchat vs Visa Interview Questions
Snapchat lists 99 LeetCode interview questions while Visa lists 146. They share 24 problems — 24% of Snapchat's bank and 16% of Visa's. Focus on the overlap first, then drill into 75 Snapchat-only and 122 Visa-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 24 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snapchat and Visa.
Step 2 — Company-specific depth: Add Snapchat-specific problems like Valid Sudoku, Sudoku Solver, Combination Sum and Visa-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
24 Shared Questions
High-priority problems to practice for both Snapchat and Visa.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Meeting Rooms II | Medium |
| Word Ladder | Hard |
| Word Break II | Hard |
| Reverse Words in a String | Medium |
| Number of Islands | Medium |
| Reverse Linked List | Easy |
| Course Schedule | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock III | Hard |
| Top K Frequent Elements | Medium |
| Median of Two Sorted Arrays | Hard |
| Word Search | Medium |
| Product of Array Except Self | Medium |
| Word Search II | Hard |
| LFU Cache | Hard |
| Edit Distance | Medium |
| Group Anagrams | Medium |
| Search in Rotated Sorted Array | Medium |
| Letter Combinations of a Phone Number | Medium |
| Add Binary | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Reconstruct Itinerary | Hard |
Unique to Snapchat (75)
Problems in Snapchat's list that do not appear at Visa.
| Problem | Difficulty |
|---|---|
| Valid Sudoku | Medium |
| Sudoku Solver | Hard |
| Combination Sum | Medium |
| Combination Sum II | Medium |
| Wildcard Matching | Hard |
| Minimum Window Substring | Hard |
| Unique Binary Search Trees | Medium |
| Min Stack | Medium |
| One Edit Distance | Medium |
| Basic Calculator II | Medium |
| Alien Dictionary | Hard |
| Closest Binary Search Tree Value | Easy |
Unique to Visa (122)
Problems in Visa's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Text Justification | Hard |
| Length of Longest V-Shaped Diagonal Segment | Hard |
| Rotating the Box | Medium |
| Two Sum | Easy |
| Split the Array | Easy |
| 3Sum | Medium |
| Minimum Operations to Write the Letter Y on a Grid | Medium |
| Find the Length of the Longest Common Prefix | Medium |
| Block Placement Queries | Hard |
| Create Target Array in the Given Order | Easy |
| Number of Black Blocks | Medium |
| Simplify Path | Medium |
Frequently Asked Questions
How many LeetCode questions do Snapchat and Visa share?
Snapchat and Visa share 24 LeetCode interview questions. 75 problems appear only in Snapchat's list and 122 appear only in Visa's list.
What topics overlap most between Snapchat and Visa?
The most common shared topics between Snapchat and Visa are Array (13 shared questions), String (11 shared questions), Hash Table (8 shared questions), Dynamic Programming (4 shared questions), Backtracking (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snapchat or Visa?
Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. Visa has 32 Easy, 92 Medium, and 22 Hard questions. Snapchat has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Snapchat and Visa?
Start with the 24 shared problems since they cover what both companies ask most often. Then add 20 Snapchat-specific and 20 Visa-specific questions to round out your prep.