Question 1

How many LeetCode questions does Intel ask in interviews?

Accepted Answer

Intel has 25 known LeetCode interview questions. The difficulty breakdown is 10 Easy, 14 Medium, and 1 Hard problems.

Question 2

What are the most common topics in Intel coding interviews?

Accepted Answer

The most frequently asked topics at Intel are Array (11 questions), Hash Table (7 questions), String (6 questions), Two Pointers (6 questions), Math (6 questions). Focus on these topics to maximize your preparation.

Question 3

How should I prepare for a Intel coding interview?

Accepted Answer

Start with the most frequently asked Intel problems on CodeJeet, sorted by frequency. Focus on Medium difficulty first since Intel asks 14 Medium problems. Practice the top topics: Array, Hash Table, String.

Title	Difficulty	Acceptance	Frequency	Topics
Trapping Rain Water	Hard	66.8%	100.0%	ArrayTwo PointersDynamic Programming+2
Find Consecutive Integers from a Data Stream	Medium	50.8%	100.0%	Hash TableDesignQueue+2
Maximum Nesting Depth of the Parentheses	Easy	84.8%	100.0%	StringStack
Valid Parentheses	Easy	43.7%	94.4%	StringStack
Number of Islands	Medium	63.8%	94.4%	ArrayDepth-First SearchBreadth-First Search+2
Copy List with Random Pointer	Medium	62.4%	87.1%	Hash TableLinked List
Two Sum	Easy	57.1%	82.5%	ArrayHash Table
Count Primes	Medium	35.8%	76.9%	ArrayMathEnumeration+1
Longest Substring Without Repeating Characters	Medium	38.5%	76.9%	Hash TableStringSliding Window
Best Time to Buy and Sell Stock II	Medium	70.8%	69.6%	ArrayDynamic ProgrammingGreedy
LRU Cache	Medium	46.8%	69.6%	Hash TableLinked ListDesign+1
Reverse Integer	Medium	31.5%	69.6%	Math
Maximum Subarray	Medium	53.0%	59.5%	ArrayDivide and ConquerDynamic Programming
Climbing Stairs	Easy	53.9%	59.5%	MathDynamic ProgrammingMemoization
Merge Two Sorted Lists	Easy	68.0%	59.5%	Linked ListRecursion
Reverse Words in a String	Medium	55.6%	59.5%	Two PointersString
Add Two Numbers	Medium	48.0%	59.5%	Linked ListMathRecursion
Best Time to Buy and Sell Stock	Easy	56.4%	59.5%	ArrayDynamic Programming
Palindrome Number	Easy	60.3%	59.5%	Math
Container With Most Water	Medium	59.6%	59.5%	ArrayTwo PointersGreedy
Merge Sorted Array	Easy	54.4%	59.5%	ArrayTwo PointersSorting
Rotate Image	Medium	79.4%	59.5%	ArrayMathMatrix
Linked List Cycle	Easy	53.9%	59.5%	Hash TableLinked ListTwo Pointers
Valid Palindrome	Easy	52.8%	59.5%	Two PointersString
Top K Frequent Words	Medium	60.0%	59.5%	ArrayHash TableString+5

Intel

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