TypeScriptTypeScript byteStandard~3h time-box

Flag Sequence

A maritime signal station transmits messages using a sequence of signal flags. A numeric transmission code determines which flags to raise and in what order.

Flag Sequence
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
3 files
  • flag-sequence.test.ts
  • flag-sequence.ts
  • jest.config.js

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
algorithmsarraysbitwise operationsconditionals
Difficulty
Standard

Standard engineering judgment. Multiple edge cases worth handling.