Two Sigma

19 LeetCode interview questions

Difficulty Distribution

Easy

3

16%

Medium

10

53%

Hard

6

32%

Top Topics

Array(11)String(5)Dynamic Programming(5)Math(3)Simulation(3)Hash Table(3)Sorting(3)Matrix(3)Binary Search(3)Divide and Conquer(2)

All Questions

Title	Difficulty	Acceptance	Frequency	Topics
Number of Provinces	Medium	70.0%	100.0%	Depth-First SearchBreadth-First SearchUnion-Find+1
Maximum Subarray Sum with One Deletion	Medium	46.7%	100.0%	ArrayDynamic Programming
Random Pick with Weight	Medium	48.9%	100.0%	ArrayMathBinary Search+2
Wildcard Matching	Hard	31.3%	87.5%	StringDynamic ProgrammingGreedy+1
Longest String Chain	Medium	62.8%	87.5%	ArrayHash TableTwo Pointers+3
Game of Life	Medium	72.3%	87.5%	ArrayMatrixSimulation
Power of Four	Easy	51.7%	87.5%	MathBit ManipulationRecursion
Intersection of Two Arrays	Easy	77.5%	87.5%	ArrayHash TableTwo Pointers+2
Maximum Sum Circular Subarray	Medium	49.4%	87.5%	ArrayDivide and ConquerDynamic Programming+2
Multiply Strings	Medium	43.5%	75.0%	MathStringSimulation
Parallel Courses III	Hard	66.8%	75.0%	ArrayDynamic ProgrammingGraph Theory+1
Word Search II	Hard	38.1%	75.0%	ArrayStringBacktracking+2
Merge k Sorted Lists	Hard	58.8%	62.5%	Linked ListDivide and ConquerHeap (Priority Queue)+1
Minimum Space Wasted From Packaging	Hard	33.4%	62.5%	ArrayBinary SearchSorting+1
Design Memory Allocator	Medium	49.7%	62.5%	ArrayHash TableDesign+1
Valid Parentheses	Easy	43.7%	62.5%	StringStack
Robot Room Cleaner	Hard	77.9%	50.0%
Meeting Rooms II	Medium	52.5%	50.0%
Number of Islands	Medium	63.8%	50.0%	ArrayDepth-First SearchBreadth-First Search+2

Showing 19 of 19 questions