Google vs Intel Interview Questions
Google lists 2,305 LeetCode interview questions while Intel lists 25. They share 24 problems — 1% of Google's bank and 96% of Intel's. Focus on the overlap first, then drill into 2,281 Google-only and 1 Intel-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 24 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Google and Intel.
Step 2 — Company-specific depth: Add Google-specific problems like Median of Two Sorted Arrays, Longest Common Prefix, 3Sum and Intel-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Google skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
24 Shared Questions
High-priority problems to practice for both Google and Intel.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Palindrome Number | Easy |
| Merge Sorted Array | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Container With Most Water | Medium |
| Valid Parentheses | Easy |
| Number of Islands | Medium |
| Maximum Subarray | Medium |
| Reverse Integer | Medium |
| Climbing Stairs | Easy |
| Merge Two Sorted Lists | Easy |
| LRU Cache | Medium |
| Rotate Image | Medium |
| Valid Palindrome | Easy |
| Reverse Words in a String | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| Linked List Cycle | Easy |
| Count Primes | Medium |
| Copy List with Random Pointer | Medium |
| Top K Frequent Words | Medium |
| Maximum Nesting Depth of the Parentheses | Easy |
Unique to Google (2,281)
Problems in Google's list that do not appear at Intel.
| Problem | Difficulty |
|---|---|
| Median of Two Sorted Arrays | Hard |
| Longest Common Prefix | Easy |
| 3Sum | Medium |
| Create Hello World Function | Easy |
| Merge Strings Alternately | Easy |
| Longest Palindromic Substring | Medium |
| Longest Consecutive Sequence | Medium |
| Recyclable and Low Fat Products | Easy |
| Majority Element | Easy |
| Roman to Integer | Easy |
| Merge Intervals | Medium |
| Remove Duplicates from Sorted Array | Easy |
Unique to Intel (1)
Problems in Intel's list that do not appear at Google.
| Problem | Difficulty |
|---|---|
| Find Consecutive Integers from a Data Stream | Medium |
Frequently Asked Questions
How many LeetCode questions do Google and Intel share?
Google and Intel share 24 LeetCode interview questions. 2281 problems appear only in Google's list and 1 appear only in Intel's list.
What topics overlap most between Google and Intel?
The most common shared topics between Google and Intel are Array (11 shared questions), Hash Table (6 shared questions), Math (6 shared questions), Two Pointers (6 shared questions), String (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Google or Intel?
Google has 601 Easy, 1205 Medium, and 499 Hard questions. Intel has 10 Easy, 14 Medium, and 1 Hard questions. Google has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Google and Intel?
Start with the 24 shared problems since they cover what both companies ask most often. Then add 20 Google-specific and 1 Intel-specific questions to round out your prep.