Oracle vs Yandex Interview Questions
Oracle lists 314 LeetCode interview questions while Yandex lists 128. They share 70 problems — 22% of Oracle's bank and 55% of Yandex's. Focus on the overlap first, then drill into 244 Oracle-only and 58 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 70 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Oracle and Yandex.
Step 2 — Company-specific depth: Add Oracle-specific problems like Meeting Rooms II, Minimum One Bit Operations to Make Integers Zero, LFU Cache and Yandex-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Oracle skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
70 Shared Questions
High-priority problems to practice for both Oracle and Yandex.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Two Sum | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Merge Intervals | Medium |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| Search in Rotated Sorted Array | Medium |
| Container With Most Water | Medium |
| Reverse Linked List | Easy |
| Trapping Rain Water | Hard |
| Min Stack | Medium |
| Valid Anagram | Easy |
| Rotting Oranges | Medium |
| Maximum Subarray | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Binary Tree Right Side View | Medium |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Generate Parentheses | Medium |
| Binary Tree Zigzag Level Order Traversal | Medium |
| Find Median from Data Stream | Hard |
| Median of Two Sorted Arrays | Hard |
| Coin Change | Medium |
| Simplify Path | Medium |
| Majority Element | Easy |
Showing top 30 of 70 shared problems.
Unique to Oracle (244)
Problems in Oracle's list that do not appear at Yandex.
Unique to Yandex (58)
Problems in Yandex's list that do not appear at Oracle.
Frequently Asked Questions
How many LeetCode questions do Oracle and Yandex share?
Oracle and Yandex share 70 LeetCode interview questions. 244 problems appear only in Oracle's list and 58 appear only in Yandex's list.
What topics overlap most between Oracle and Yandex?
The most common shared topics between Oracle and Yandex are Array (16 shared questions), Hash Table (7 shared questions), String (7 shared questions), Sorting (6 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Oracle or Yandex?
Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. Oracle has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Oracle and Yandex?
Start with the 70 shared problems since they cover what both companies ask most often. Then add 20 Oracle-specific and 20 Yandex-specific questions to round out your prep.