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13 LeetCode interview questions

Difficulty Distribution

Easy

8

62%

Medium

4

31%

Hard

1

8%

Top Topics

Array(6)String(4)Sorting(4)Hash Table(3)Stack(2)Two Pointers(2)Database(2)Tree(1)Depth-First Search(1)Breadth-First Search(1)

All Questions

Title	Difficulty	Acceptance	Frequency	Topics
Monotonic Array	Easy	62.2%	100.0%	Array
Two Sum	Easy	57.1%	87.5%	ArrayHash Table
Valid Parentheses	Easy	43.7%	87.5%	StringStack
Squares of a Sorted Array	Easy	73.6%	87.5%	ArrayTwo PointersSorting
Department Top Three Salaries	Hard	59.8%	87.5%	Database
Best Time to Buy and Sell Stock	Easy	56.4%	87.5%	ArrayDynamic Programming
Decode String	Medium	62.2%	87.5%	StringStackRecursion
Merge Intervals	Medium	51.1%	75.0%	ArraySorting
Invert Binary Tree	Easy	79.8%	75.0%	TreeDepth-First SearchBreadth-First Search+1
Department Highest Salary	Medium	57.3%	75.0%	Database
Merge Sorted Array	Easy	54.4%	75.0%	ArrayTwo PointersSorting
Valid Anagram	Easy	67.8%	75.0%	Hash TableStringSorting
Longest Substring Without Repeating Characters	Medium	38.5%	75.0%	Hash TableStringSliding Window

Showing 13 of 13 questions