Samsung vs Visa Interview Questions
Samsung lists 65 LeetCode interview questions while Visa lists 146. They share 23 problems — 35% of Samsung's bank and 16% of Visa's. Focus on the overlap first, then drill into 42 Samsung-only and 123 Visa-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 23 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Samsung and Visa.
Step 2 — Company-specific depth: Add Samsung-specific problems like Burst Balloons, Vertical Order Traversal of a Binary Tree, Partition Array Into Two Arrays to Minimize Sum Difference and Visa-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
23 Shared Questions
High-priority problems to practice for both Samsung and Visa.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Longest Increasing Subsequence | Medium |
| Trapping Rain Water | Hard |
| Two Sum | Easy |
| Rotting Oranges | Medium |
| Find Peak Element | Medium |
| Best Time to Buy and Sell Stock | Easy |
| 3Sum | Medium |
| Rotate Array | Medium |
| Sort Colors | Medium |
| Valid Parentheses | Easy |
| Maximum Subarray | Medium |
| Longest Common Prefix | Easy |
| Word Search | Medium |
| Word Ladder | Hard |
| Search in Rotated Sorted Array | Medium |
| Merge Intervals | Medium |
| Merge Sorted Array | Easy |
| Median of Two Sorted Arrays | Hard |
| Longest Palindromic Substring | Medium |
| Rotate Image | Medium |
| Edit Distance | Medium |
Unique to Samsung (42)
Problems in Samsung's list that do not appear at Visa.
Unique to Visa (123)
Problems in Visa's list that do not appear at Samsung.
Frequently Asked Questions
How many LeetCode questions do Samsung and Visa share?
Samsung and Visa share 23 LeetCode interview questions. 42 problems appear only in Samsung's list and 123 appear only in Visa's list.
What topics overlap most between Samsung and Visa?
The most common shared topics between Samsung and Visa are Array (18 shared questions), Dynamic Programming (6 shared questions), Two Pointers (6 shared questions), String (6 shared questions), Matrix (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Samsung or Visa?
Samsung has 12 Easy, 36 Medium, and 17 Hard questions. Visa has 32 Easy, 92 Medium, and 22 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Samsung and Visa?
Start with the 23 shared problems since they cover what both companies ask most often. Then add 20 Samsung-specific and 20 Visa-specific questions to round out your prep.