Dataford
Interview QuestionsInterview GuidesExperiencesCoaching
New
Pricing
Get started
Dataford
Popular roles
Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct Manager
Browse
Browse All RolesEvery role hub, from analyst to MLBrowse All CompaniesCompany-specific interview loopsAll Interview GuidesThe full guide library
Top questions by role
Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct Manager
Top questions by skill
SQLPythonStatisticsMachine LearningA/B TestingSystem DesignGenerative AIProduct SenseMetricsBehavioral
Browse all questions →Try a mock interview
Experiences
Practice
Mock InterviewsTimed interview simulations with feedbackCoaching1:1 coaching with people at your target companiesSuccess PathYour 6-week structured planModulesCurated lessons by topicWebinarsTalks from ex-Big Tech data leadsPlaygroundA free-form scratch editor
Learn
BlogInterview strategy and career adviceTech Job Market ReportHiring trends across data and AI rolesFor UniversitiesDataford for career centersAbout DatafordWho we are and how we build
Pricing
Build my plan
Max Stock Price Difference Coding
00:00
5 left

Max Stock Price Difference Coding

EasyPython

Problem

Solve a problem to calculate the maximum stock price difference.

Given an array of daily stock prices, return the largest difference prices[j] - prices[i] where i < j. You may buy once and sell once. Return 0 if no positive difference is possible.

Function: def max_stock_price_difference(prices): Input is a non-empty list of integers, and output is an integer.

Constraints

  • 1 <= len(prices) <= 10^4
  • 0 <= prices[i] <= 10^9
  • The buy day must occur before the sell day
  • Return 0 when no positive difference exists

Function Signature

def max_stock_price_difference(prices):
Interviewer

Your question is Max Stock Price Difference Coding. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

You need to log in / sign up to run or submit.
CodePython 3
Sign up free to run your codeLog inLn 2
Run your code to see test output here.