Intel vs Visa Interview Questions
Intel lists 25 LeetCode interview questions while Visa lists 146. They share 15 problems — 60% of Intel's bank and 10% of Visa's. Focus on the overlap first, then drill into 10 Intel-only and 131 Visa-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 15 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Intel and Visa.
Step 2 — Company-specific depth: Add Intel-specific problems like Find Consecutive Integers from a Data Stream, Maximum Nesting Depth of the Parentheses, Copy List with Random Pointer and Visa-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Visa skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
15 Shared Questions
High-priority problems to practice for both Intel and Visa.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Valid Parentheses | Easy |
| Number of Islands | Medium |
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| LRU Cache | Medium |
| Maximum Subarray | Medium |
| Merge Two Sorted Lists | Easy |
| Reverse Words in a String | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Container With Most Water | Medium |
| Merge Sorted Array | Easy |
| Rotate Image | Medium |
| Valid Palindrome | Easy |
Unique to Intel (10)
Problems in Intel's list that do not appear at Visa.
| Problem | Difficulty |
|---|---|
| Find Consecutive Integers from a Data Stream | Medium |
| Maximum Nesting Depth of the Parentheses | Easy |
| Copy List with Random Pointer | Medium |
| Count Primes | Medium |
| Reverse Integer | Medium |
| Climbing Stairs | Easy |
| Add Two Numbers | Medium |
| Palindrome Number | Easy |
| Linked List Cycle | Easy |
| Top K Frequent Words | Medium |
Unique to Visa (131)
Problems in Visa's list that do not appear at Intel.
| Problem | Difficulty |
|---|---|
| Text Justification | Hard |
| Length of Longest V-Shaped Diagonal Segment | Hard |
| Rotating the Box | Medium |
| Split the Array | Easy |
| 3Sum | Medium |
| Minimum Operations to Write the Letter Y on a Grid | Medium |
| Find the Length of the Longest Common Prefix | Medium |
| Block Placement Queries | Hard |
| Create Target Array in the Given Order | Easy |
| Number of Black Blocks | Medium |
| Group Anagrams | Medium |
| Simplify Path | Medium |
Frequently Asked Questions
How many LeetCode questions do Intel and Visa share?
Intel and Visa share 15 LeetCode interview questions. 10 problems appear only in Intel's list and 131 appear only in Visa's list.
What topics overlap most between Intel and Visa?
The most common shared topics between Intel and Visa are Array (9 shared questions), Two Pointers (5 shared questions), Dynamic Programming (4 shared questions), String (4 shared questions), Hash Table (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Intel or Visa?
Intel has 10 Easy, 14 Medium, and 1 Hard questions. Visa has 32 Easy, 92 Medium, and 22 Hard questions. Visa has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Intel and Visa?
Start with the 15 shared problems since they cover what both companies ask most often. Then add 10 Intel-specific and 20 Visa-specific questions to round out your prep.