Twitter vs Yandex Interview Questions
Twitter lists 53 LeetCode interview questions while Yandex lists 128. They share 10 problems — 19% of Twitter's bank and 8% of Yandex's. Focus on the overlap first, then drill into 43 Twitter-only and 118 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Twitter and Yandex.
Step 2 — Company-specific depth: Add Twitter-specific problems like Regular Expression Matching, Integer to Roman, Multiply Strings and Yandex-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Twitter skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
10 Shared Questions
High-priority problems to practice for both Twitter and Yandex.
| Problem | Difficulty |
|---|---|
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Trapping Rain Water | Hard |
| Merge Intervals | Medium |
| LRU Cache | Medium |
| One Edit Distance | Medium |
| Reverse Linked List | Easy |
| Lowest Common Ancestor of a Binary Search Tree | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Rotting Oranges | Medium |
Unique to Twitter (43)
Problems in Twitter's list that do not appear at Yandex.
| Problem | Difficulty |
|---|---|
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Multiply Strings | Medium |
| Wildcard Matching | Hard |
| Permutation Sequence | Hard |
| Pascal's Triangle | Easy |
| Word Break II | Hard |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
| Happy Number | Easy |
| Implement Trie (Prefix Tree) | Medium |
| The Skyline Problem | Hard |
Unique to Yandex (118)
Problems in Yandex's list that do not appear at Twitter.
| 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 |
| Subarray Sum Equals K | Medium |
| String Compression | Medium |
| Valid Palindrome II | Easy |
| Move Zeroes | Easy |
| Permutation in String | Medium |
| Isomorphic Strings | Easy |
| Line Reflection | Medium |
Frequently Asked Questions
How many LeetCode questions do Twitter and Yandex share?
Twitter and Yandex share 10 LeetCode interview questions. 43 problems appear only in Twitter's list and 118 appear only in Yandex's list.
What topics overlap most between Twitter and Yandex?
The most common shared topics between Twitter and Yandex are Array (4 shared questions), Linked List (3 shared questions), Stack (2 shared questions), Hash Table (2 shared questions), Design (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Twitter or Yandex?
Twitter has 8 Easy, 33 Medium, and 12 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. Twitter has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Twitter and Yandex?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 Twitter-specific and 20 Yandex-specific questions to round out your prep.