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Interviews

Apr 23, 2020
Apr 24, 2020

Information Disparity is not fair for underprivilaged yet talented community who are willing to work hard. Remember Chris from Pursuit of Happyness

  • Interview Types
    • Coding
    • Systems Design
    • Behaviour

Coding Questions

Junior or senior, you are gonna be smoked on this

  • Given 2 duplicate binary trees, find same corresponding node in both trees
    • Step back and think about, how to compare the node?
    • Traverse both threes at the same time
  • Move all zeros to the right, in a single pass, linear time algorithm, proper time-space analysis
  • Check is a string of parenthesis is valid (([]([])))
    • Use counter, stack
  • Remove all unmatching parenthesis
  • Sort Array Objects inplace - 2 pass algorithm

System Design

Mobile Development

  • Design a flight booking app
    • Payment Handling
    • Make the right Abstractions
  • Design a simple version of Instagram
    • Multiple Pages
    • Caching
    • Event Handling, processing
    • Offline Usage
    • Navigation
    • Scroll Performance Layout
    • Removing interdependencies between various pages
    • Module dependency Graph

WebApp Development

  • Load Balancers
  • Databases
  • Master Slave Replication
  • Sharding
  • CDN

Behavious Question

They dig deep, they are trained NOT to accept the first answer

Footnotes

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