Apple vs Yandex Interview Questions
Apple lists 300 LeetCode interview questions while Yandex lists 128. They share 78 problems — 26% of Apple's bank and 61% of Yandex's. Focus on the overlap first, then drill into 222 Apple-only and 50 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 78 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Yandex.
Step 2 — Company-specific depth: Add Apple-specific problems like Longest Common Prefix, Rotate Array, Valid Sudoku and Yandex-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Apple skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
78 Shared Questions
High-priority problems to practice for both Apple and Yandex.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Design Hit Counter | Medium |
| Reverse Linked List | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Product of Array Except Self | Medium |
| Valid Palindrome | Easy |
| Spiral Matrix | Medium |
| Maximum Subarray | Medium |
| Reverse Integer | Medium |
| Merge k Sorted Lists | Hard |
| Trapping Rain Water | Hard |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Subarray Sum Equals K | Medium |
| Median of Two Sorted Arrays | Hard |
| Merge Two Sorted Lists | Easy |
| Find Median from Data Stream | Hard |
| Move Zeroes | Easy |
| Insert Delete GetRandom O(1) | Medium |
| Basic Calculator II | Medium |
| Min Stack | Medium |
| Merge Sorted Array | Easy |
| String Compression | Medium |
| Binary Tree Level Order Traversal | Medium |
Showing top 30 of 78 shared problems.
Unique to Apple (222)
Problems in Apple's list that do not appear at Yandex.
| Problem | Difficulty |
|---|---|
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Valid Sudoku | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Rotate Image | Medium |
| Reverse Words in a String | Medium |
| Kth Largest Element in an Array | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| Meeting Rooms II | Medium |
| Time Based Key-Value Store | Medium |
| Subarray Product Less Than K | Medium |
Unique to Yandex (50)
Problems in Yandex's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Yandex share?
Apple and Yandex share 78 LeetCode interview questions. 222 problems appear only in Apple's list and 50 appear only in Yandex's list.
What topics overlap most between Apple and Yandex?
The most common shared topics between Apple and Yandex are Array (16 shared questions), Hash Table (7 shared questions), String (6 shared questions), Two Pointers (6 shared questions), Design (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Yandex?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. Apple has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Yandex?
Start with the 78 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 Yandex-specific questions to round out your prep.