Intel vs Zeta Interview Questions
Intel lists 25 LeetCode interview questions while Zeta lists 30. They share 3 problems — 12% of Intel's bank and 10% of Zeta's. Focus on the overlap first, then drill into 22 Intel-only and 27 Zeta-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Intel and Zeta.
Step 2 — Company-specific depth: Add Intel-specific problems like Find Consecutive Integers from a Data Stream, Maximum Nesting Depth of the Parentheses, Valid Parentheses and Zeta-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zeta skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
3 Shared Questions
High-priority problems to practice for both Intel and Zeta.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
Unique to Intel (22)
Problems in Intel's list that do not appear at Zeta.
| Problem | Difficulty |
|---|---|
| Find Consecutive Integers from a Data Stream | Medium |
| Maximum Nesting Depth of the Parentheses | Easy |
| Valid Parentheses | Easy |
| Number of Islands | Medium |
| Copy List with Random Pointer | Medium |
| Two Sum | Easy |
| Count Primes | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| LRU Cache | Medium |
| Reverse Integer | Medium |
| Climbing Stairs | Easy |
| Merge Two Sorted Lists | Easy |
Unique to Zeta (27)
Problems in Zeta's list that do not appear at Intel.
| Problem | Difficulty |
|---|---|
| Apply Operations to Make Two Strings Equal | Medium |
| Split Array Largest Sum | Hard |
| Minimum Window Substring | Hard |
| Capacity To Ship Packages Within D Days | Medium |
| Palindrome Partitioning II | Hard |
| Task Scheduler | Medium |
| Remove Boxes | Hard |
| Next Greater Element II | Medium |
| Reverse Nodes in k-Group | Hard |
| Maximal Rectangle | Hard |
| Count Univalue Subtrees | Medium |
| Insert Delete GetRandom O(1) | Medium |
Frequently Asked Questions
How many LeetCode questions do Intel and Zeta share?
Intel and Zeta share 3 LeetCode interview questions. 22 problems appear only in Intel's list and 27 appear only in Zeta's list.
What topics overlap most between Intel and Zeta?
The most common shared topics between Intel and Zeta are Array (2 shared questions), Dynamic Programming (2 shared questions), Two Pointers (1 shared questions), Stack (1 shared questions), Monotonic Stack (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Intel or Zeta?
Intel has 10 Easy, 14 Medium, and 1 Hard questions. Zeta has 0 Easy, 20 Medium, and 10 Hard questions. Zeta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Intel and Zeta?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Intel-specific and 20 Zeta-specific questions to round out your prep.