Infosys vs LinkedIn Interview Questions
Infosys lists 105 LeetCode interview questions while LinkedIn lists 141. They share 25 problems — 24% of Infosys's bank and 18% of LinkedIn's. Focus on the overlap first, then drill into 80 Infosys-only and 116 LinkedIn-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 25 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Infosys and LinkedIn.
Step 2 — Company-specific depth: Add Infosys-specific problems like Maximum Good Subtree Score, Find Building Where Alice and Bob Can Meet, Minimum Reverse Operations and LinkedIn-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: LinkedIn skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
25 Shared Questions
High-priority problems to practice for both Infosys and LinkedIn.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Valid Parentheses | Easy |
| Merge Sorted Array | Easy |
| Next Permutation | Medium |
| Maximum Subarray | Medium |
| Product of Array Except Self | Medium |
| Merge Intervals | Medium |
| Kth Largest Element in an Array | Medium |
| Longest Palindromic Substring | Medium |
| House Robber | Medium |
| Sqrt(x) | Easy |
| Number of Islands | Medium |
| Merge Two Sorted Lists | Easy |
| Maximum Depth of Binary Tree | Easy |
| Median of Two Sorted Arrays | Hard |
| Combination Sum | Medium |
| Koko Eating Bananas | Medium |
| Integer to Roman | Medium |
| Edit Distance | Medium |
| Pow(x, n) | Medium |
| Minimum Window Substring | Hard |
| Search in Rotated Sorted Array | Medium |
| Isomorphic Strings | Easy |
Unique to Infosys (80)
Problems in Infosys's list that do not appear at LinkedIn.
Unique to LinkedIn (116)
Problems in LinkedIn's list that do not appear at Infosys.
| Problem | Difficulty |
|---|---|
| Max Stack | Hard |
| Nested List Weight Sum II | Medium |
| All O`one Data Structure | Hard |
| Word Ladder | Hard |
| Find the Celebrity | Medium |
| Nested List Weight Sum | Medium |
| Design Authentication Manager | Medium |
| Find Leaves of Binary Tree | Medium |
| Shortest Word Distance II | Medium |
| Max Consecutive Ones III | Medium |
| Maximum Product Subarray | Medium |
| Can Place Flowers | Easy |
Frequently Asked Questions
How many LeetCode questions do Infosys and LinkedIn share?
Infosys and LinkedIn share 25 LeetCode interview questions. 80 problems appear only in Infosys's list and 116 appear only in LinkedIn's list.
What topics overlap most between Infosys and LinkedIn?
The most common shared topics between Infosys and LinkedIn are Array (14 shared questions), String (7 shared questions), Hash Table (5 shared questions), Dynamic Programming (5 shared questions), Binary Search (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Infosys or LinkedIn?
Infosys has 32 Easy, 57 Medium, and 16 Hard questions. LinkedIn has 25 Easy, 90 Medium, and 26 Hard questions. LinkedIn has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Infosys and LinkedIn?
Start with the 25 shared problems since they cover what both companies ask most often. Then add 20 Infosys-specific and 20 LinkedIn-specific questions to round out your prep.