Interview Prep/Companies/Dropbox

Dropbox

25 questions tracked20 with solutions

🔍

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

Showing 25 of 25 questions

MediumSimple Bank System✓ Our Solution

100

ArrayHash TableDesignSimulation

LeetCode ↗61% acc.

MediumFind Duplicate File in System✓ Our Solution

ArrayHash TableString

LeetCode ↗68% acc.

MediumGame of Life✓ Our Solution

ArrayMatrixSimulation

LeetCode ↗71% acc.

MediumWeb Crawler

StringDepth-First SearchBreadth-First SearchInteractive

LeetCode ↗69% acc.

MediumWeb Crawler Multithreaded

Depth-First SearchBreadth-First SearchConcurrency

LeetCode ↗50% acc.

MediumWord Pattern II

Hash TableStringBacktracking

LeetCode ↗49% acc.

HardMinimize Malware Spread II✓ Our Solution

ArrayHash TableDepth-First SearchBreadth-First Search+2

LeetCode ↗45% acc.

HardMinimize Malware Spread✓ Our Solution

ArrayHash TableDepth-First SearchBreadth-First Search+2

LeetCode ↗42% acc.

MediumSeat Reservation Manager✓ Our Solution

DesignHeap (Priority Queue)

LeetCode ↗66% acc.

MediumDesign Hit Counter

ArrayBinary SearchDesignQueue+1

LeetCode ↗69% acc.

HardCheck If It Is a Good Array✓ Our Solution

ArrayMathNumber Theory

LeetCode ↗61% acc.

HardDesign a Text Editor✓ Our Solution

Linked ListStringStackDesign+2

LeetCode ↗47% acc.

EasyTwo Sum✓ Our Solution

ArrayHash Table

LeetCode ↗56% acc.

HardMedian of Two Sorted Arrays✓ Our Solution

ArrayBinary SearchDivide and Conquer

LeetCode ↗44% acc.

EasyWord Pattern✓ Our Solution

Hash TableString

LeetCode ↗43% acc.

HardNumber of Valid Words for Each Puzzle✓ Our Solution

ArrayHash TableStringBit Manipulation+1

LeetCode ↗47% acc.

HardWord Break II✓ Our Solution

ArrayHash TableStringDynamic Programming+3

LeetCode ↗54% acc.

HardGrid Illumination✓ Our Solution

ArrayHash Table

LeetCode ↗38% acc.

MediumLetter Combinations of a Phone Number✓ Our Solution

Hash TableStringBacktracking

LeetCode ↗64% acc.

MediumMax Area of Island✓ Our Solution

ArrayDepth-First SearchBreadth-First SearchUnion Find+1

LeetCode ↗73% acc.

HardGuess the Word✓ Our Solution

ArrayMathStringInteractive+1

LeetCode ↗38% acc.

MediumTop K Frequent Elements✓ Our Solution

ArrayHash TableDivide and ConquerSorting+4

LeetCode ↗65% acc.

MediumMerge Intervals✓ Our Solution

ArraySorting

LeetCode ↗49% acc.

MediumNumber of Islands✓ Our Solution

ArrayDepth-First SearchBreadth-First SearchUnion Find+1

LeetCode ↗62% acc.

HardNumber of Islands II

ArrayHash TableUnion Find

LeetCode ↗40% acc.