Infosys vs Yandex Interview Questions
Infosys lists 105 LeetCode interview questions while Yandex lists 128. They share 35 problems — 33% of Infosys's bank and 27% of Yandex's. Focus on the overlap first, then drill into 70 Infosys-only and 93 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 35 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Infosys and Yandex.
Step 2 — Company-specific depth: Add Infosys-specific problems like Maximum Good Subtree Score, Find Building Where Alice and Bob Can Meet, Minimum Reverse Operations and Yandex-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Infosys skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
35 Shared Questions
High-priority problems to practice for both Infosys and Yandex.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Valid Parentheses | Easy |
| Merge Sorted Array | Easy |
| Palindrome Number | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Maximum Subarray | Medium |
| Valid Anagram | Easy |
| Trapping Rain Water | Hard |
| Product of Array Except Self | Medium |
| Merge Intervals | Medium |
| Generate Parentheses | Medium |
| Spiral Matrix | Medium |
| Coin Change | Medium |
| Reverse Integer | Medium |
| Group Anagrams | Medium |
| Move Zeroes | Easy |
| Two Sum II - Input Array Is Sorted | Medium |
| Add Two Numbers | Medium |
| Longest Palindromic Substring | Medium |
| Number of Islands | Medium |
| Merge Two Sorted Lists | Easy |
| Find Minimum in Rotated Sorted Array | Medium |
| Linked List Cycle | Easy |
| Subarray Sum Equals K | Medium |
| Median of Two Sorted Arrays | Hard |
| 4Sum | Medium |
| Valid Palindrome | Easy |
| Minimum Window Substring | Hard |
Showing top 30 of 35 shared problems.
Unique to Infosys (70)
Problems in Infosys's list that do not appear at Yandex.
Unique to Yandex (93)
Problems in Yandex's list that do not appear at Infosys.
Frequently Asked Questions
How many LeetCode questions do Infosys and Yandex share?
Infosys and Yandex share 35 LeetCode interview questions. 70 problems appear only in Infosys's list and 93 appear only in Yandex's list.
What topics overlap most between Infosys and Yandex?
The most common shared topics between Infosys and Yandex are Array (18 shared questions), Two Pointers (9 shared questions), String (8 shared questions), Hash Table (7 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Infosys or Yandex?
Infosys has 32 Easy, 57 Medium, and 16 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. Infosys has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Infosys and Yandex?
Start with the 35 shared problems since they cover what both companies ask most often. Then add 20 Infosys-specific and 20 Yandex-specific questions to round out your prep.