Samsung vs ServiceNow Interview Questions
Samsung lists 65 LeetCode interview questions while ServiceNow lists 71. They share 19 problems — 29% of Samsung's bank and 27% of ServiceNow's. Focus on the overlap first, then drill into 46 Samsung-only and 52 ServiceNow-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 19 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Samsung and ServiceNow.
Step 2 — Company-specific depth: Add Samsung-specific problems like Burst Balloons, Longest Increasing Subsequence, Vertical Order Traversal of a Binary Tree and ServiceNow-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Samsung skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
19 Shared Questions
High-priority problems to practice for both Samsung and ServiceNow.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Two Sum | Easy |
| Rotting Oranges | Medium |
| Find Peak Element | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Sort Colors | Medium |
| Generate Parentheses | Medium |
| Valid Parentheses | Easy |
| Maximum Subarray | Medium |
| Word Ladder | Hard |
| Coin Change | Medium |
| Next Permutation | Medium |
| Merge Intervals | Medium |
| Move Zeroes | Easy |
| Jump Game II | Medium |
| Median of Two Sorted Arrays | Hard |
| Longest Palindromic Substring | Medium |
Unique to Samsung (46)
Problems in Samsung's list that do not appear at ServiceNow.
Unique to ServiceNow (52)
Problems in ServiceNow's list that do not appear at Samsung.
Frequently Asked Questions
How many LeetCode questions do Samsung and ServiceNow share?
Samsung and ServiceNow share 19 LeetCode interview questions. 46 problems appear only in Samsung's list and 52 appear only in ServiceNow's list.
What topics overlap most between Samsung and ServiceNow?
The most common shared topics between Samsung and ServiceNow are Array (14 shared questions), Dynamic Programming (7 shared questions), Two Pointers (5 shared questions), Breadth-First Search (4 shared questions), String (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Samsung or ServiceNow?
Samsung has 12 Easy, 36 Medium, and 17 Hard questions. ServiceNow has 7 Easy, 51 Medium, and 13 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Samsung and ServiceNow?
Start with the 19 shared problems since they cover what both companies ask most often. Then add 20 Samsung-specific and 20 ServiceNow-specific questions to round out your prep.