ElixirElixir · Bytes catalog

Screen Elixir candidates on real starter repos

23 short Elixir tasks, each shipping with a public test file and a language-specific runner. Candidates work in their own style; reviewers see how the code actually hangs together.

Starter
11
Standard
9
Advanced
3
Catalog
23 Elixir bytes
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Alert Priority
Featured
ElixirElixirAdvanced~4h

Alert Priority

Your team maintains an internal alert triage service. Each incoming alert carries five severity tags — tokens composed.

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Cohort Roster
ElixirElixir
Starter~2h
Cohort Roster

You are building a roster system for a developer training academy. Participants are assigned to numbered cohorts based.

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Command Triplets
ElixirElixir
Starter~2h
Command Triplets

A legacy industrial robot controller receives a continuous stream of three-character instruction codes. Each triplet.

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Contact Cleanup
ElixirElixir
Starter~2h
Contact Cleanup

You are cleaning imported contact records before they are saved into a CRM. Each record includes a freeform phone field.

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Deploy Window
ElixirElixir
Standard~3h
Deploy Window

Calculate the date of scheduled deployment windows. Teams often deploy on the same day of the week each month. In this.

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Flag Sequence
ElixirElixir
Starter~2h
Flag Sequence

A maritime signal station transmits messages using a sequence of signal flags. A numeric transmission code determines.

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Hailstone Cascade
ElixirElixir
Starter~2h
Hailstone Cascade

Implement a HailstoneCascade.steps/1 function that computes how many cascade steps a hailstone particle takes to reach.

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League Table
ElixirElixir
Standard~3h
League Table

Compile a standings table from match results for a small sports league. Given a list of match results, produce a.

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Meter Reader
ElixirElixir
Standard~3h
Meter Reader

Read the digits shown on an industrial meter's segment display. Each digit is represented as a 3-column x 4-row pattern.

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Parcel Verifier
ElixirElixir
Starter~2h
Parcel Verifier

The [parcel reference code verification process](https://en.wikipedia.org/wiki/International_Standard_Book_Number) is.

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Planter Rows
ElixirElixir
Starter~2h
Planter Rows

Given a layout diagram, determine which plants belong to each tenant in a shared rooftop planter.

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Priority Index
ElixirElixir
Starter~2h
Priority Index

Build a priority index that maps individual codes to their priority levels. Your team maintains an internal incident.

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Release Cadence
ElixirElixir
Starter~2h
Release Cadence

A product team tracks how quickly a release ages across several cadence tiers. Given an age in seconds, calculate how.

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Route Chains
ElixirElixir
Standard~3h
Route Chains

Arrange route segments into a circular path. You're given a collection of bidirectional route segments. Each segment.

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Sensitivity Flags
ElixirElixir
Standard~3h
Sensitivity Flags

Given a person's allergy score, determine whether or not they're allergic to a given item, and their full list of.

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Sensor Grid
ElixirElixir
Advanced~4h
Sensor Grid

Add the adjacent hazard counts to a completed Sensor Grid board. Sensor Grid is an operations dashboard that uses.

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Service Scorecard
ElixirElixir
Advanced~4h
Service Scorecard

Score a service scorecard. Service scorecards use the same scoring rules as the original bowling exercise, but the.

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Signal Weave
ElixirElixir
Standard~3h
Signal Weave

Your team maintains a mesh-network relay that transmits short text messages across low-bandwidth channels. Before.

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Status Signals
ElixirElixir
Starter~2h
Status Signals

A support dashboard turns certain factors into status signals. The rules of status-signals are that if a given number:

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Traffic Burst
ElixirElixir
Starter~2h
Traffic Burst

A social media post has gone viral. Every minute since it was published, the number of new views doubles compared to.

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Warehouse Rover
ElixirElixir
Standard~3h
Warehouse Rover

Implement a warehouse rover controller. A fulfillment center uses autonomous rovers to fetch items from shelving.

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Watchtower Overlap
ElixirElixir
Standard~2h
Watchtower Overlap

You are building a patrol planning tool for a network of watchtowers on an 8×8 observation grid.

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Wave Mixer
ElixirElixir
Standard~3h
Wave Mixer

Implement a wave signal mixer that models two-component signals. In signal processing, a wave can be represented by two.

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