Machine-coding case studies

Design Splitwise

Group expense sharing: add an expense, split it (equally / exact / by %), and track who owes whom, then simplify the debts. An animated lesson where the diagram draws itself as the design grows.

  • Lesson 3 of 6
  • Animated diagrams
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Machine-coding case studies

  1. 1Design a Parking Lot
  2. 2Design a Vending Machine
  3. 3Design Splitwise
  4. 4Design Tic-Tac-Toe
  5. 5Design BookMyShow
  6. 6Design an Elevator System
6 lessons, each with diagrams that draw themselves.

What you will learn

  • 1. Requirements
  • 2. The classes
  • 3. The key pattern: Strategy for splitting
  • 4. Tracking balances
  • 5. The hard bonus: simplify debts

More low-level design

Watch Design Splitwise take shape

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Sign in to open itSee plans

DSA comes with the all labs plan and every ChaiCode batch.