JavaJava byteAdvanced~4h time-box

Exact Change

A vending machine must return exact change using the fewest possible items from its available denominations. Your task is to implement the logic that computes the optimal combination.

Exact Change
Step 1
Clone the starter repo
Candidate gets the full project locally — README, source, tests, runner config.
Step 2
Run the visible tests
Public test file is right there. Expectations are explicit from minute one.
Step 3
Make tests pass, push
Candidate works in their own style, pushes reviewable commits for your team.
Starter repo
What candidates clone
1 files
  • build.gradle

The full README and the hidden test suite are available once you open the byte in your CodeSubmit workspace. Candidates never see the hidden tests.

Skills tested
algorithmsexception handlingintegerslists
Difficulty
Advanced

Non-trivial design choices. Tests multiple skills under time pressure.