Yahoo vs Yandex Interview Questions
Yahoo lists 34 LeetCode interview questions while Yandex lists 128. They share 13 problems — 38% of Yahoo's bank and 10% of Yandex's. Focus on the overlap first, then drill into 21 Yahoo-only and 115 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Yahoo and Yandex.
Step 2 — Company-specific depth: Add Yahoo-specific problems like Maximum Depth of Binary Tree, Contains Duplicate, Serialize and Deserialize Binary Tree and Yandex-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Yahoo skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
13 Shared Questions
High-priority problems to practice for both Yahoo and Yandex.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Reverse Linked List | Easy |
| Median of Two Sorted Arrays | Hard |
| Linked List Cycle | Easy |
| Top K Frequent Elements | Medium |
| Palindrome Number | Easy |
| Valid Parentheses | Easy |
| Search in Rotated Sorted Array | Medium |
| Spiral Matrix | Medium |
| Validate Binary Search Tree | Medium |
| Longest Repeating Character Replacement | Medium |
| Subarray Sum Equals K | Medium |
Unique to Yahoo (21)
Problems in Yahoo's list that do not appear at Yandex.
| Problem | Difficulty |
|---|---|
| Maximum Depth of Binary Tree | Easy |
| Contains Duplicate | Easy |
| Serialize and Deserialize Binary Tree | Hard |
| Largest Palindrome Product | Hard |
| Roman to Integer | Easy |
| Word Break | Medium |
| Matrix Cells in Distance Order | Easy |
| Non-decreasing Subsequences | Medium |
| Maximum Distance in Arrays | Medium |
| Binary Number with Alternating Bits | Easy |
| Peeking Iterator | Medium |
| Combination Sum | Medium |
Unique to Yandex (115)
Problems in Yandex's list that do not appear at Yahoo.
| Problem | Difficulty |
|---|---|
| Longest Subarray of 1's After Deleting One Element | Medium |
| Summary Ranges | Easy |
| Maximize Distance to Closest Person | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Find K Closest Elements | Medium |
| String Compression | Medium |
| Merge Intervals | Medium |
| Valid Palindrome II | Easy |
| Move Zeroes | Easy |
| One Edit Distance | Medium |
| Permutation in String | Medium |
| Isomorphic Strings | Easy |
Frequently Asked Questions
How many LeetCode questions do Yahoo and Yandex share?
Yahoo and Yandex share 13 LeetCode interview questions. 21 problems appear only in Yahoo's list and 115 appear only in Yandex's list.
What topics overlap most between Yahoo and Yandex?
The most common shared topics between Yahoo and Yandex are Hash Table (6 shared questions), Array (6 shared questions), Linked List (3 shared questions), Binary Search (2 shared questions), Divide and Conquer (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Yahoo or Yandex?
Yahoo has 11 Easy, 20 Medium, and 3 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. Yahoo has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Yahoo and Yandex?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 20 Yahoo-specific and 20 Yandex-specific questions to round out your prep.