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10 LeetCode interview questions

Difficulty Distribution

Easy

3

30%

Medium

7

70%

Hard

0

0%

Top Topics

Array(6)String(4)Matrix(4)Sorting(2)Depth-First Search(2)Two Pointers(2)Hash Table(1)Breadth-First Search(1)Union-Find(1)Greedy(1)

All Questions

Title	Difficulty	Acceptance	Frequency	Topics
Valid Palindrome II	Easy	44.0%	100.0%	Two PointersStringGreedy
Number of Islands	Medium	63.8%	87.5%	ArrayDepth-First SearchBreadth-First Search+2
Remove All Adjacent Duplicates In String	Easy	72.8%	87.5%	StringStack
Squares of a Sorted Array	Easy	73.6%	75.0%	ArrayTwo PointersSorting
Analyze User Website Visit Pattern	Medium	44.2%	75.0%
Group Anagrams	Medium	72.2%	62.5%	ArrayHash TableString+1
Search a 2D Matrix II	Medium	56.8%	62.5%	ArrayBinary SearchDivide and Conquer+1
Word Search	Medium	46.8%	62.5%	ArrayStringBacktracking+2
Maximal Square	Medium	50.0%	62.5%	ArrayDynamic ProgrammingMatrix
Meeting Rooms II	Medium	52.5%	62.5%

Showing 10 of 10 questions