Meet your coaches
Talk through the problem while you code. Guest text is free. Hosted voice is the Own Words Pack.
Start Part 1 to unlock your next challenge
Coin Change
I build up from amount zero, not down from the target. Each amount asks which single coin gets it there cheapest.
Chat with Fin or Coco right now on mobile.
Start talking through the problem here. Switch to desktop when you're ready to code and run tests.
Start coaching sessionMeet your coaches
Talk through the problem while you code. Guest text is free. Hosted voice is the Own Words Pack.
Start a coached rep now. Guest text is free. Sign in if you want this work on another device.
Email me this coached-rep link
Start Part 1 to unlock your next challenge
Code + tests need a desktop
Chat works on this phone. Email yourself a link when you want the editor and tests.