Interview Prep/Companies/Two Sigma

Two Sigma

23 questions tracked20 with solutions

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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 23 of 23 questions

MediumMinimum Operations to Reduce an Integer to 0✓ Our Solution

100

Dynamic ProgrammingGreedyBit Manipulation

LeetCode ↗57% acc.

MediumNumber of Provinces✓ Our Solution

100

Depth-First SearchBreadth-First SearchUnion FindGraph

LeetCode ↗69% acc.

MediumRandom Pick with Weight✓ Our Solution

ArrayMathBinary SearchPrefix Sum+1

LeetCode ↗48% acc.

MediumMaximum Subarray Sum with One Deletion✓ Our Solution

ArrayDynamic Programming

LeetCode ↗45% acc.

MediumMultiply Strings✓ Our Solution

MathStringSimulation

LeetCode ↗42% acc.

HardWildcard Matching✓ Our Solution

StringDynamic ProgrammingGreedyRecursion

LeetCode ↗30% acc.

MediumLongest String Chain✓ Our Solution

ArrayHash TableTwo PointersString+2

LeetCode ↗62% acc.

MediumGame of Life✓ Our Solution

ArrayMatrixSimulation

LeetCode ↗71% acc.

EasyPower of Four✓ Our Solution

MathBit ManipulationRecursion

LeetCode ↗49% acc.

EasyIntersection of Two Arrays✓ Our Solution

ArrayHash TableTwo PointersBinary Search+1

LeetCode ↗76% acc.

MediumMaximum Sum Circular Subarray✓ Our Solution

ArrayDivide and ConquerDynamic ProgrammingQueue+1

LeetCode ↗48% acc.

HardWord Search II✓ Our Solution

ArrayStringBacktrackingTrie+1

LeetCode ↗37% acc.

HardMerge k Sorted Lists✓ Our Solution

Linked ListDivide and ConquerHeap (Priority Queue)Merge Sort

LeetCode ↗57% acc.

HardParallel Courses III✓ Our Solution

ArrayDynamic ProgrammingGraphTopological Sort

LeetCode ↗67% acc.

MediumDesign Memory Allocator✓ Our Solution

ArrayHash TableDesignSimulation

LeetCode ↗48% acc.

HardMinimum Space Wasted From Packaging✓ Our Solution

ArrayBinary SearchSortingPrefix Sum

LeetCode ↗33% acc.

EasyDesign HashMap✓ Our Solution

ArrayHash TableLinked ListDesign+1

LeetCode ↗66% acc.

MediumSearch Suggestions System✓ Our Solution

ArrayStringBinary SearchTrie+2

LeetCode ↗65% acc.

MediumDesign Tic-Tac-Toe

ArrayHash TableDesignMatrix+1

LeetCode ↗59% acc.

HardRobot Room Cleaner

BacktrackingInteractive

LeetCode ↗78% acc.

MediumSum of Square Numbers✓ Our Solution

MathTwo PointersBinary Search

LeetCode ↗37% acc.

MediumMeeting Rooms II

ArrayTwo PointersGreedySorting+2

LeetCode ↗52% acc.

EasyBest Time to Buy and Sell Stock✓ Our Solution

ArrayDynamic Programming

LeetCode ↗55% acc.