Dropbox vs PayPal Interview Questions

Dropbox lists 22 LeetCode interview questions while PayPal lists 105. They share 3 problems — 14% of Dropbox's bank and 3% of PayPal's. Focus on the overlap first, then drill into 19 Dropbox-only and 102 PayPal-only questions.

Overview

Dropbox

22 questions

Easy 2Medium 10Hard 10
PayPal

105 questions

Easy 19Medium 69Hard 17

Preparation Strategy

Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Dropbox and PayPal.

Step 2 — Company-specific depth: Add Dropbox-specific problems like Simple Bank System, Minimize Malware Spread, Web Crawler and PayPal-specific problems from the exclusive lists below.

Step 3 — Difficulty tuning: Dropbox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.

Difficulty Comparison

Easy
Dropbox
2
PayPal
19
Medium
Dropbox
10
PayPal
69
Hard
Dropbox
10
PayPal
17

Top Shared Topics

3 Shared Questions

High-priority problems to practice for both Dropbox and PayPal.

ProblemDifficulty
Two SumEasy
Median of Two Sorted ArraysHard
Merge IntervalsMedium

Unique to Dropbox (19)

Problems in Dropbox's list that do not appear at PayPal.

ProblemDifficulty
Simple Bank SystemMedium
Minimize Malware SpreadHard
Web CrawlerMedium
Web Crawler MultithreadedMedium
Find Duplicate File in SystemMedium
Number of Valid Words for Each PuzzleHard
Game of LifeMedium
Word PatternEasy
Word Pattern IIMedium
Seat Reservation ManagerMedium
Minimize Malware Spread IIHard
Design Hit CounterMedium

Unique to PayPal (102)

Problems in PayPal's list that do not appear at Dropbox.

ProblemDifficulty
Zigzag ConversionMedium
Minimum Absolute DifferenceEasy
Longest Increasing SubsequenceMedium
LRU CacheMedium
Count Vowel Strings in RangesMedium
Find Words That Can Be Formed by CharactersEasy
Time Needed to Rearrange a Binary StringMedium
Maximum Frequency Score of a SubarrayHard
Meeting SchedulerMedium
Maximum Number of Integers to Choose From a Range IMedium
Pythagorean Distance Nodes in a TreeMedium
Number of IslandsMedium

Frequently Asked Questions

How many LeetCode questions do Dropbox and PayPal share?

Dropbox and PayPal share 3 LeetCode interview questions. 19 problems appear only in Dropbox's list and 102 appear only in PayPal's list.

What topics overlap most between Dropbox and PayPal?

The most common shared topics between Dropbox and PayPal are Array (3 shared questions), Hash Table (1 shared questions), Binary Search (1 shared questions), Divide and Conquer (1 shared questions), Sorting (1 shared questions). Mastering these areas prepares you for both companies.

Which company asks harder LeetCode questions: Dropbox or PayPal?

Dropbox has 2 Easy, 10 Medium, and 10 Hard questions. PayPal has 19 Easy, 69 Medium, and 17 Hard questions. Dropbox has a higher proportion of Hard problems in its interview set.

How should I prepare if interviewing at both Dropbox and PayPal?

Start with the 3 shared problems since they cover what both companies ask most often. Then add 19 Dropbox-specific and 20 PayPal-specific questions to round out your prep.

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