Infosys vs Intel Interview Questions
Infosys lists 105 LeetCode interview questions while Intel lists 25. They share 19 problems — 18% of Infosys's bank and 76% of Intel's. Focus on the overlap first, then drill into 86 Infosys-only and 6 Intel-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 19 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Infosys and Intel.
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 Intel-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Infosys skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
19 Shared Questions
High-priority problems to practice for both Infosys and Intel.
| 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 |
| Palindrome Number | Easy |
| Maximum Subarray | Medium |
| Rotate Image | Medium |
| Trapping Rain Water | Hard |
| Reverse Integer | Medium |
| Reverse Words in a String | Medium |
| Add Two Numbers | Medium |
| Climbing Stairs | Easy |
| Number of Islands | Medium |
| Merge Two Sorted Lists | Easy |
| Linked List Cycle | Easy |
| Valid Palindrome | Easy |
| Best Time to Buy and Sell Stock II | Medium |
| Container With Most Water | Medium |
Unique to Infosys (86)
Problems in Infosys's list that do not appear at Intel.
Unique to Intel (6)
Problems in Intel's list that do not appear at Infosys.
| Problem | Difficulty |
|---|---|
| Find Consecutive Integers from a Data Stream | Medium |
| Maximum Nesting Depth of the Parentheses | Easy |
| Copy List with Random Pointer | Medium |
| Count Primes | Medium |
| LRU Cache | Medium |
| Top K Frequent Words | Medium |
Frequently Asked Questions
How many LeetCode questions do Infosys and Intel share?
Infosys and Intel share 19 LeetCode interview questions. 86 problems appear only in Infosys's list and 6 appear only in Intel's list.
What topics overlap most between Infosys and Intel?
The most common shared topics between Infosys and Intel are Array (9 shared questions), Two Pointers (6 shared questions), Dynamic Programming (5 shared questions), Math (5 shared questions), String (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Infosys or Intel?
Infosys has 32 Easy, 57 Medium, and 16 Hard questions. Intel has 10 Easy, 14 Medium, and 1 Hard questions. Infosys has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Infosys and Intel?
Start with the 19 shared problems since they cover what both companies ask most often. Then add 20 Infosys-specific and 6 Intel-specific questions to round out your prep.