ServiceNow vs Yandex Interview Questions
ServiceNow lists 71 LeetCode interview questions while Yandex lists 128. They share 31 problems — 44% of ServiceNow's bank and 24% of Yandex's. Focus on the overlap first, then drill into 40 ServiceNow-only and 97 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 31 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ServiceNow and Yandex.
Step 2 — Company-specific depth: Add ServiceNow-specific problems like Number of Distinct Roll Sequences, Lexicographically Smallest String After Operations With Constraint, Find Minimum Diameter After Merging Two Trees and Yandex-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: ServiceNow skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
31 Shared Questions
High-priority problems to practice for both ServiceNow and Yandex.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Trapping Rain Water | Hard |
| Number of Islands | Medium |
| Generate Parentheses | Medium |
| String Compression | Medium |
| Valid Parentheses | Easy |
| Longest Repeating Character Replacement | Medium |
| Container With Most Water | Medium |
| Sliding Window Maximum | Hard |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Group Anagrams | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Move Zeroes | Easy |
| Coin Change | Medium |
| Merge Two Sorted Lists | Easy |
| Maximum Subarray | Medium |
| Rotting Oranges | Medium |
| Median of Two Sorted Arrays | Hard |
| Merge Intervals | Medium |
| Daily Temperatures | Medium |
| Reverse Linked List | Easy |
| Binary Tree Right Side View | Medium |
| Palindrome Linked List | Easy |
| 4Sum | Medium |
| Top K Frequent Elements | Medium |
| Subarrays with K Different Integers | Hard |
| Subarray Sum Equals K | Medium |
| Letter Combinations of a Phone Number | Medium |
Showing top 30 of 31 shared problems.
Unique to ServiceNow (40)
Problems in ServiceNow's list that do not appear at Yandex.
Unique to Yandex (97)
Problems in Yandex's list that do not appear at ServiceNow.
| 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 |
| Valid Palindrome II | Easy |
| One Edit Distance | Medium |
| Permutation in String | Medium |
| Isomorphic Strings | Easy |
| Line Reflection | Medium |
| Longest Strictly Increasing or Strictly Decreasing Subarray | Easy |
| Valid Palindrome | Easy |
| Find All Anagrams in a String | Medium |
Frequently Asked Questions
How many LeetCode questions do ServiceNow and Yandex share?
ServiceNow and Yandex share 31 LeetCode interview questions. 40 problems appear only in ServiceNow's list and 97 appear only in Yandex's list.
What topics overlap most between ServiceNow and Yandex?
The most common shared topics between ServiceNow and Yandex are Array (18 shared questions), Hash Table (9 shared questions), String (8 shared questions), Two Pointers (7 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ServiceNow or Yandex?
ServiceNow has 7 Easy, 51 Medium, and 13 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. ServiceNow has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ServiceNow and Yandex?
Start with the 31 shared problems since they cover what both companies ask most often. Then add 20 ServiceNow-specific and 20 Yandex-specific questions to round out your prep.