Screen Ruby candidates on real starter repos

Ruby

Standard~3h

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

Ruby

Advanced~4h

An online retailer sells five distinct product SKUs. Each item costs $8 at full price. To encourage bundle purchases,.

Ruby

Standard~2h

You are building a decoder for a legacy industrial robot controller. The controller receives a continuous stream of.

Ruby

Starter~2h

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

Ruby

Starter~2h

Classify a delivery drop-off location into the correct fee tier based on its distance from the warehouse.

Ruby

Starter~2h

Calculate the date of scheduled deployment windows. Teams often schedule recurring deployment windows on the same day.

Ruby

Starter~2h

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

Ruby

Starter~2h

Implement a HailstoneCascade.steps method that computes how many cascade steps a hailstone particle takes to reach unit.

Ruby

Standard~3h

An internal post-mortem tool reconstructs incident chains. Each step in the chain describes an event and how it caused.

Ruby

Starter~2h

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

Ruby

Advanced~4h

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

Ruby

Starter~2h

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

Ruby

Starter~2h

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

Ruby

Standard~3h

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

Ruby

Starter~2h

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

Ruby

Standard~3h

Generate the lyrics of the cumulative incident ballad Restart Ballad. An on-call engineer keeps restarting a larger.

Ruby

Standard~3h

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

Ruby

Standard~3h

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

Ruby

Standard~3h

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

Ruby

Standard~3h

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

Ruby

Starter~2h

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

Ruby

Starter~2h

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

Ruby

Standard~3h

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

Ruby

Standard~3h

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

Ruby

Standard~2h

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

Ruby

Standard~3h

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