ByteDance vs Yandex Interview Questions
ByteDance lists 64 LeetCode interview questions while Yandex lists 128. They share 23 problems — 36% of ByteDance's bank and 18% of Yandex's. Focus on the overlap first, then drill into 41 ByteDance-only and 105 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 23 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Yandex.
Step 2 — Company-specific depth: Add ByteDance-specific problems like Remove Duplicate Letters, Smallest Subsequence of Distinct Characters, First Day Where You Have Been in All the Rooms and Yandex-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: ByteDance skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
23 Shared Questions
High-priority problems to practice for both ByteDance and Yandex.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Basic Calculator II | Medium |
| Merge Intervals | Medium |
| Top K Frequent Elements | Medium |
| Two Sum | Easy |
| Longest Increasing Subsequence | Medium |
| Trapping Rain Water | Hard |
| Search in Rotated Sorted Array | Medium |
| Rotting Oranges | Medium |
| Add Two Numbers | Medium |
| Maximum Subarray | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Subarray Sum Equals K | Medium |
| Longest Repeating Character Replacement | Medium |
| Longest Palindromic Substring | Medium |
| Merge k Sorted Lists | Hard |
| Valid Parentheses | Easy |
| Binary Tree Zigzag Level Order Traversal | Medium |
| Sliding Window Maximum | Hard |
| Text Justification | Hard |
Unique to ByteDance (41)
Problems in ByteDance's list that do not appear at Yandex.
| Problem | Difficulty |
|---|---|
| Remove Duplicate Letters | Medium |
| Smallest Subsequence of Distinct Characters | Medium |
| First Day Where You Have Been in All the Rooms | Medium |
| Course Schedule | Medium |
| Combination Sum | Medium |
| Shortest Bridge | Medium |
| House Robber | Medium |
| Maximal Square | Medium |
| Regular Expression Matching | Hard |
| Design Memory Allocator | Medium |
| Word Ladder | Hard |
| Combination Sum II | Medium |
Unique to Yandex (105)
Problems in Yandex's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Longest Subarray of 1's After Deleting One Element | Medium |
| Summary Ranges | Easy |
| Maximize Distance to Closest Person | Medium |
| Find K Closest Elements | Medium |
| String Compression | Medium |
| Valid Palindrome II | Easy |
| Move Zeroes | Easy |
| One Edit Distance | Medium |
| Permutation in String | Medium |
| Isomorphic Strings | Easy |
| Line Reflection | Medium |
| Longest Strictly Increasing or Strictly Decreasing Subarray | Easy |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Yandex share?
ByteDance and Yandex share 23 LeetCode interview questions. 41 problems appear only in ByteDance's list and 105 appear only in Yandex's list.
What topics overlap most between ByteDance and Yandex?
The most common shared topics between ByteDance and Yandex are Array (14 shared questions), Hash Table (7 shared questions), String (6 shared questions), Dynamic Programming (5 shared questions), Linked List (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Yandex?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. ByteDance has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Yandex?
Start with the 23 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 Yandex-specific questions to round out your prep.