Intel Coding Interview Questions (2026)

Most-reported questions and how to practice them

21 coding questions reported by candidates for Intel, sorted by how often they were reported. Source: community-sourced LeetCode company lists.

21 reported questions 7 easy · 13 medium · 1 hard

What the Intel question data shows

Of the 21 questions reported for Intel, 62% are medium, 5% are hard and 33% are easy. The most reported are Two Sum, Find Consecutive Integers from a Data Stream, Maximum Nesting Depth of the Parentheses, Valid Parentheses, Copy List with Random Pointer.

This list comes from community-sourced LeetCode company lists. It covers coding questions only. It does not tell us how many rounds Intel runs, what each round covers, or what it pays, and those change by role, level and team, so we do not list them. Ask your recruiter what each round covers, and check the company's careers page.

Prepare for the rest of the loop with the coding interview patterns guide, the system design framework, and the STAR method guide. Written by .

Practice what you read with a free AI mock interview, see how the tools compare in our AI interview copilot comparison, or check Aissence pricing.

Intel Interview Questions

21 LeetCode questions — sorted by frequency. Question frequency is community-sourced from public interview reports and may not reflect the current process; verify details with the employer.

Last reviewed: September 5, 2026 · Source: LeetCode company-wise interview questions (community reports) · Reviewed by the Aissence Editorial Team.

1–20 of 21
1

Two Sum

Easy100.0%
LeetCode
2

Find Consecutive Integers from a Data Stream

Medium100.0%
LeetCode
3

Maximum Nesting Depth of the Parentheses

Easy100.0%
LeetCode
4

Valid Parentheses

Easy87.5%
LeetCode
5

Copy List with Random Pointer

Medium87.5%
LeetCode
6

Trapping Rain Water

Hard75.0%
LeetCode
7

Number of Islands

Medium75.0%
LeetCode
8

Container With Most Water

Medium75.0%
LeetCode
9

Longest Substring Without Repeating Characters

Medium62.5%
LeetCode
10

Count Primes

Medium62.5%
LeetCode
11

LRU Cache

Medium62.5%
LeetCode
12

Palindrome Number

Easy62.5%
LeetCode
13

Rotate Image

Medium62.5%
LeetCode
14

Maximum Subarray

Medium62.5%
LeetCode
15

Min Stack

Medium62.5%
LeetCode
16

Product of Array Except Self

Medium62.5%
LeetCode
17

Majority Element II

Medium62.5%
LeetCode
18

Palindrome Linked List

Easy62.5%
LeetCode
19

Fibonacci Number

Easy62.5%
LeetCode
20

Lowest Common Ancestor of a Binary Tree

Medium62.5%
LeetCode

Tips for Success at Intel

  • Start with the 21 most reported Intel questions, then work down the list.

  • Mediums are the bulk of the list (62%), so spend most of your time there.

  • Time yourself: 20 to 30 minutes per medium, then explain your solution out loud as if to an interviewer.

  • After each problem write down the pattern and the signal that revealed it. Patterns transfer to problems you have not seen.

  • Pair coding practice with a system design framework and prepared behavioral stories; most loops include more than coding.

How to Practice for Intel Interviews

Practice answering out loud with an AI interviewer built from your resume and the job description, and get a score and specific fixes for each answer. We are not affiliated with Intel, and the mock interview is general practice rather than a simulation of Intel's own format.

  • ✓ Free mock interview built from your resume and the job description
  • ✓ Desktop Interview Copilot for live interviews, where the rules allow it
  • ✓ Behavioral practice with feedback on structure and specifics
  • ✓ System design practice with follow-up questions
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Frequently Asked Questions

How many LeetCode questions should I practice for Intel?
There is no fixed number. Start with the 21 most reported questions in this list, learn the patterns behind them, and then sample from the rest. The list has 21 reported questions, which is more than anyone needs to solve; patterns matter more than volume.
Are these the actual Intel interview questions?
No. They are questions that candidates reported seeing, collected in community LeetCode lists, and they may be out of date. Interviewers change problems, so use the list to practice patterns, not to predict your interview.
What is the difficulty mix for Intel?
Of the 21 reported questions, 7 are easy, 13 medium and 1 hard (33%, 62% and 5%). This reflects what candidates reported, not what you will necessarily be asked.
What is the Intel interview process?
It varies by role, level and team and it changes, so this page does not list rounds or pay. Ask your recruiter what each round covers, and check the company's careers page for current information.
How do I prepare beyond coding questions?
Practice a system design framework for design rounds, prepare five or six behavioral stories with the STAR method, and run mock interviews out loud. See the linked guides on this page.

Prepare for Your Intel Interview

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