CoursesAmazon Coding Interview

Rotting Oranges

Rot spreads from bad oranges to neighbors each minute — find how long until no fresh orange remains, or prove some never rot.

Lessons
9
Exercises
31
Minutes
43
  1. 1

    Decode the Problem

    Multiple choice
    3 exercises
    4 min
  2. 2

    Approach Check

    Multiple choice
    4 exercises
    4 min
  3. 3

    Build the Brute Force

    Multiple choiceTrace
    3 exercises
    5 min
  4. 4

    Find the Bottleneck

    Multiple choice
    2 exercises
    4 min
  5. 53 exercises
    4 min
  6. 62 exercises
    5 min
  7. 7

    Read the Implementation

    Complete codeMultiple choice
    3 exercises
    5 min
  8. 8

    Test and Analyze

    Multiple choice
    3 exercises
    4 min
  9. 9

    Boss BattleBoss

    Complete codeDebugCode orderMultiple choiceTrace
    8 exercises
    8 min
AlgoFox Pro

Amazon Coding Interview is part of AlgoFox Pro

You can read the whole course outline here. The exercises are in the app, along with your streak, your mistake review, and the progress that carries across your devices.

Pro starts with a 3 day free trial. The app store decides who is eligible for an introductory offer, and a lapsed subscription does not get another one.

Download AlgoFox on the App StoreGet AlgoFox on Google Play

Already subscribed in the app? Sign in with the same account and Pro works here too. Quick Play and Battle are free on the web, and so is the first course in every subject.