Infosys vs Snap Interview Questions
Infosys lists 105 LeetCode interview questions while Snap lists 84. They share 11 problems — 10% of Infosys's bank and 13% of Snap's. Focus on the overlap first, then drill into 94 Infosys-only and 73 Snap-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Infosys and Snap.
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 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
11 Shared Questions
High-priority problems to practice for both Infosys and Snap.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| 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 |
| Combination Sum | Medium |
| Koko Eating Bananas | Medium |
| Minimum Window Substring | Hard |
| Search in Rotated Sorted Array | Medium |
Unique to Infosys (94)
Problems in Infosys's list that do not appear at Snap.
Unique to Snap (73)
Problems in Snap's list that do not appear at Infosys.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Meeting Rooms II | Medium |
| Word Ladder | 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 |
| Bricks Falling When Hit | Hard |
| Alien Dictionary | Hard |
| Closest Binary Search Tree Value | Easy |
Frequently Asked Questions
How many LeetCode questions do Infosys and Snap share?
Infosys and Snap share 11 LeetCode interview questions. 94 problems appear only in Infosys's list and 73 appear only in Snap's list.
What topics overlap most between Infosys and Snap?
The most common shared topics between Infosys and Snap are Array (8 shared questions), String (4 shared questions), Hash Table (3 shared questions), Sliding Window (2 shared questions), Sorting (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Infosys or Snap?
Infosys has 32 Easy, 57 Medium, and 16 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 Infosys and Snap?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 Infosys-specific and 20 Snap-specific questions to round out your prep.