Apple vs ServiceNow Interview Questions
Apple lists 300 LeetCode interview questions while ServiceNow lists 71. They share 45 problems — 15% of Apple's bank and 63% of ServiceNow's. Focus on the overlap first, then drill into 255 Apple-only and 26 ServiceNow-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 45 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and ServiceNow.
Step 2 — Company-specific depth: Add Apple-specific problems like Design Hit Counter, Longest Common Prefix, Rotate Array and ServiceNow-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
45 Shared Questions
High-priority problems to practice for both Apple and ServiceNow.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Reverse Linked List | Easy |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Reverse Words in a String | Medium |
| Kth Largest Element in an Array | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| Maximum Subarray | Medium |
| Trapping Rain Water | Hard |
| Subarray Sum Equals K | Medium |
| Median of Two Sorted Arrays | Hard |
| Merge Two Sorted Lists | Easy |
| Move Zeroes | Easy |
| Word Ladder | Hard |
| String Compression | Medium |
| Longest Palindromic Substring | Medium |
| Container With Most Water | Medium |
| Letter Combinations of a Phone Number | Medium |
| Generate Parentheses | Medium |
| Sliding Window Maximum | Hard |
| Coin Change | Medium |
| Gas Station | Medium |
| LFU Cache | Hard |
| Set Matrix Zeroes | Medium |
Showing top 30 of 45 shared problems.
Unique to Apple (255)
Problems in Apple's list that do not appear at ServiceNow.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Valid Sudoku | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Product of Array Except Self | Medium |
| Valid Palindrome | Easy |
| Rotate Image | Medium |
| Spiral Matrix | Medium |
| Reverse Integer | Medium |
| Merge k Sorted Lists | Hard |
Unique to ServiceNow (26)
Problems in ServiceNow's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and ServiceNow share?
Apple and ServiceNow share 45 LeetCode interview questions. 255 problems appear only in Apple's list and 26 appear only in ServiceNow's list.
What topics overlap most between Apple and ServiceNow?
The most common shared topics between Apple and ServiceNow are Array (18 shared questions), Hash Table (10 shared questions), String (9 shared questions), Dynamic Programming (7 shared questions), Two Pointers (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or ServiceNow?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. ServiceNow has 7 Easy, 51 Medium, and 13 Hard questions. ServiceNow has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and ServiceNow?
Start with the 45 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 ServiceNow-specific questions to round out your prep.