Intel

26 LeetCode interview questions

Difficulty Distribution

Easy

38%

Medium

58%

Hard

All Questions

Title	Difficulty	Acceptance	Frequency	Topics
Two Sum	Easy	57.1%	100.0%	ArrayHash Table
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%	87.5%	StringStack
Trapping Rain Water	Hard	66.8%	87.5%	ArrayTwo PointersDynamic Programming+2
Copy List with Random Pointer	Medium	62.4%	87.5%	Hash TableLinked List
Number of Islands	Medium	63.8%	87.5%	ArrayDepth-First SearchBreadth-First Search+2
Longest Substring Without Repeating Characters	Medium	38.5%	75.0%	Hash TableStringSliding Window
Count Primes	Medium	35.7%	75.0%	ArrayMathEnumeration+1
LRU Cache	Medium	46.8%	75.0%	Hash TableLinked ListDesign+1
Palindrome Number	Easy	60.2%	75.0%	Math
Reverse Integer	Medium	31.5%	62.5%	Math
Reverse Words in a String	Medium	55.5%	62.5%	Two PointersString
Merge Two Sorted Lists	Easy	67.9%	62.5%	Linked ListRecursion
Container With Most Water	Medium	59.5%	62.5%	ArrayTwo PointersGreedy
Merge Sorted Array	Easy	54.4%	62.5%	ArrayTwo PointersSorting
Rotate Image	Medium	79.3%	62.5%	ArrayMathMatrix
Valid Palindrome	Easy	52.8%	62.5%	Two PointersString
Maximum Subarray	Medium	53.0%	62.5%	ArrayDivide and ConquerDynamic Programming
Top K Frequent Words	Medium	60.0%	62.5%	ArrayHash TableString+5
Min Stack	Medium	57.7%	62.5%	StackDesign
Product of Array Except Self	Medium	68.6%	62.5%	ArrayPrefix Sum
Majority Element II	Medium	55.8%	62.5%	ArrayHash TableSorting+1
Happy Number	Easy	59.2%	62.5%	Hash TableMathTwo Pointers
Palindrome Linked List	Easy	57.4%	62.5%	Linked ListTwo PointersStack+1
Fibonacci Number	Easy	73.9%	62.5%	MathDynamic ProgrammingRecursion+1

Showing 26 of 26 questions

Difficulty Distribution

Top Topics

All Questions