Infosys vs Snapchat Interview Questions
Infosys lists 105 LeetCode interview questions while Snapchat lists 99. They share 15 problems — 14% of Infosys's bank and 15% of Snapchat's. Focus on the overlap first, then drill into 90 Infosys-only and 84 Snapchat-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 15 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Infosys and Snapchat.
Step 2 — Company-specific depth: Add Infosys-specific problems like Maximum Good Subtree Score, Two Sum, Find Building Where Alice and Bob Can Meet 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
15 Shared Questions
High-priority problems to practice for both Infosys and Snapchat.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Product of Array Except Self | Medium |
| Merge Intervals | Medium |
| Group Anagrams | Medium |
| Reverse Words in a String | Medium |
| Number of Islands | Medium |
| Combination Sum II | Medium |
| Median of Two Sorted Arrays | Hard |
| Combination Sum | Medium |
| Koko Eating Bananas | Medium |
| Car Fleet | Medium |
| Edit Distance | Medium |
| Minimum Window Substring | Hard |
| Search in Rotated Sorted Array | Medium |
Unique to Infosys (90)
Problems in Infosys's list that do not appear at Snapchat.
Unique to Snapchat (84)
Problems in Snapchat's list that do not appear at Infosys.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Meeting Rooms II | Medium |
| Valid Sudoku | Medium |
| Sudoku Solver | Hard |
| Wildcard Matching | Hard |
| Unique Binary Search Trees | Medium |
| Word Ladder | Hard |
| Word Break II | Hard |
| Min Stack | Medium |
| One Edit Distance | Medium |
| Reverse Linked List | Easy |
| Basic Calculator II | Medium |
Frequently Asked Questions
How many LeetCode questions do Infosys and Snapchat share?
Infosys and Snapchat share 15 LeetCode interview questions. 90 problems appear only in Infosys's list and 84 appear only in Snapchat's list.
What topics overlap most between Infosys and Snapchat?
The most common shared topics between Infosys and Snapchat are Array (11 shared questions), String (5 shared questions), Hash Table (3 shared questions), Sorting (3 shared questions), Binary Search (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Infosys or Snapchat?
Infosys has 32 Easy, 57 Medium, and 16 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 Infosys and Snapchat?
Start with the 15 shared problems since they cover what both companies ask most often. Then add 20 Infosys-specific and 20 Snapchat-specific questions to round out your prep.