Intel Interview Questions
Curated technical problems, DSA questions & coding interview rounds
Target Role
Software Engineer (SDE I / II)
Problem Count
25+ Verified
Assessment Type
DSA & System Design
Preparation Mode
Live AI Interactive
Maximum Nesting Depth of the Parentheses
EASY
84% Acceptance100% Frequency
String
Stack
Find Consecutive Integers from a Data Stream
MEDIUM
49% Acceptance100% Frequency
Hash Table
Design
Queue
Counting
Data Stream
Trapping Rain Water
HARD
65% Acceptance100% Frequency
Array
Two Pointers
Dynamic Programming
Stack
Monotonic Stack
Valid Parentheses
EASY
42% Acceptance94% Frequency
String
Stack
Number of Islands
MEDIUM
62% Acceptance94% Frequency
Array
Depth-First Search
Breadth-First Search
Union Find
Matrix
Copy List with Random Pointer
MEDIUM
61% Acceptance87% Frequency
Hash Table
Linked List
Two Sum
EASY
56% Acceptance83% Frequency
Array
Hash Table
Longest Substring Without Repeating Characters
MEDIUM
37% Acceptance77% Frequency
Hash Table
String
Sliding Window
Count Primes
MEDIUM
35% Acceptance77% Frequency
Array
Math
Enumeration
Number Theory
Best Time to Buy and Sell Stock II
MEDIUM
70% Acceptance70% Frequency
Array
Dynamic Programming
Greedy
Reverse Integer
MEDIUM
30% Acceptance70% Frequency
Math
LRU Cache
MEDIUM
45% Acceptance70% Frequency
Hash Table
Linked List
Design
Doubly-Linked List
Best Time to Buy and Sell Stock
EASY
55% Acceptance60% Frequency
Array
Dynamic Programming
Add Two Numbers
MEDIUM
46% Acceptance60% Frequency
Linked List
Math
Recursion
Climbing Stairs
EASY
54% Acceptance60% Frequency
Math
Dynamic Programming
Memoization
Merge Two Sorted Lists
EASY
67% Acceptance60% Frequency
Linked List
Recursion
Reverse Words in a String
MEDIUM
52% Acceptance60% Frequency
Two Pointers
String
Palindrome Number
EASY
59% Acceptance60% Frequency
Math
Container With Most Water
MEDIUM
58% Acceptance60% Frequency
Array
Two Pointers
Greedy
Merge Sorted Array
EASY
53% Acceptance60% Frequency
Array
Two Pointers
Sorting
Rotate Image
MEDIUM
78% Acceptance60% Frequency
Array
Math
Matrix
Linked List Cycle
EASY
53% Acceptance60% Frequency
Hash Table
Linked List
Two Pointers
Valid Palindrome
EASY
51% Acceptance60% Frequency
Two Pointers
String
Maximum Subarray
MEDIUM
52% Acceptance60% Frequency
Array
Divide and Conquer
Dynamic Programming
Top K Frequent Words
MEDIUM
59% Acceptance60% Frequency
Array
Hash Table
String
Trie
Sorting
+3 moreHow to Prepare for Intel Technical Interviews
1. Master High Frequency DSA
Review the top questions asked in Intel coding rounds over the past 3-6 months. Focus on core patterns including Arrays, Hash Tables, Trees, Dynamic Programming, and Graph Traversals.
2. Practice with AI Voice Mock Interviews
Simulate real pressure by practicing voice and video interview loops on Voke with AI calibrated specifically for Intel engineering standards and behavioral rubrics.