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6 LeetCode interview questions

Difficulty Distribution

Easy

4

67%

Medium

2

33%

Hard

0

0%

Top Topics

Array(3)String(3)Hash Table(2)Sliding Window(1)Depth-First Search(1)Breadth-First Search(1)Union-Find(1)Matrix(1)Dynamic Programming(1)Two Pointers(1)

All Questions

Title	Difficulty	Acceptance	Frequency	Topics
Two Sum	Easy	57.1%	100.0%	ArrayHash Table
Longest Substring Without Repeating Characters	Medium	38.5%	87.5%	Hash TableStringSliding Window
Best Time to Buy and Sell Stock	Easy	56.4%	87.5%	ArrayDynamic Programming
Valid Palindrome	Easy	52.8%	87.5%	Two PointersString
Number of Islands	Medium	63.8%	75.0%	ArrayDepth-First SearchBreadth-First Search+2
Valid Parentheses	Easy	43.7%	75.0%	StringStack

Showing 6 of 6 questions