Infosys vs Lyft Interview Questions
Infosys lists 105 LeetCode interview questions while Lyft lists 26. They share 4 problems — 4% of Infosys's bank and 15% of Lyft's. Focus on the overlap first, then drill into 101 Infosys-only and 22 Lyft-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Infosys and Lyft.
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 Lyft-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Lyft skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both Infosys and Lyft.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Product of Array Except Self | Medium |
| Longest Consecutive Sequence | Medium |
| Minimum Window Substring | Hard |
Unique to Infosys (101)
Problems in Infosys's list that do not appear at Lyft.
Unique to Lyft (22)
Problems in Lyft's list that do not appear at Infosys.
| Problem | Difficulty |
|---|---|
| Rotting Oranges | Medium |
| Time Based Key-Value Store | Medium |
| Read N Characters Given read4 II - Call Multiple Times | Hard |
| Max Stack | Hard |
| Convert Sorted List to Binary Search Tree | Medium |
| Check Completeness of a Binary Tree | Medium |
| Car Pooling | Medium |
| String Compression | Medium |
| Smallest Range Covering Elements from K Lists | Hard |
| Range Sum Query 2D - Immutable | Medium |
| Min Stack | Medium |
| Word Ladder II | Hard |
Frequently Asked Questions
How many LeetCode questions do Infosys and Lyft share?
Infosys and Lyft share 4 LeetCode interview questions. 101 problems appear only in Infosys's list and 22 appear only in Lyft's list.
What topics overlap most between Infosys and Lyft?
The most common shared topics between Infosys and Lyft are Hash Table (3 shared questions), String (2 shared questions), Sliding Window (2 shared questions), Array (2 shared questions), Prefix Sum (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Infosys or Lyft?
Infosys has 32 Easy, 57 Medium, and 16 Hard questions. Lyft has 0 Easy, 19 Medium, and 7 Hard questions. Lyft has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Infosys and Lyft?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Infosys-specific and 20 Lyft-specific questions to round out your prep.