GoGo · Bytes catalog

Screen Go candidates on real starter repos

43 short Go 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
20
Standard
19
Advanced
4
Catalog
43 Go bytes
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Access Badge
Featured
GoGoStarter~2h

Access Badge

Manage badge factory settings. When an access badge is issued, it starts out unnamed.

access_badge.go
access_badge_test.go
bonus_test.go
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Alert Priority
GoGo
Standard~2h
Alert Priority

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

alert_priority.go
alert_priority_test.go
+1 more files
Billing Cycle
GoGo
Starter~2h
Billing Cycle

An internal billing system assigns sequential period numbers to billing cycles. Some periods are designated as extended.

billing_cycle.go
billing_cycle_test.go
+1 more files
Bundle Pricing
GoGo
Advanced~3h
Bundle Pricing

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

bundle_pricing.go
bundle_pricing_test.go
+1 more files
Codec Bridge
GoGo
Starter~2h
Codec Bridge

Convert an encoded payload, represented as a sequence of symbol values in one radix, to any other radix.

cases_test.go
codec_bridge.go
+1 more files
Cohort Roster
GoGo
Standard~2h
Cohort Roster

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

cohort_roster.go
cohort_roster_test.go
+1 more files
Coin Combos
GoGo
Standard~2h
Coin Combos

Correctly determine the fewest number of coins needed to make an exact target amount from a supplied denomination list.

coin_combos.go
coin_combos_cases_test.go
+1 more files
Command Triplets
GoGo
Starter~2h
Command Triplets

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

command_triplets.go
command_triplets_cases_test.go
+1 more files
Commit Jargon
GoGo
Standard~3h
Commit Jargon

Implement a function that encodes plain English text into commit jargon. Your team uses an internal shorthand for.

cases_test.go
commit_jargon.go
+1 more files
Config Drift
GoGo
Starter~2h
Config Drift

You are working on a small internal tool that compares two configuration snapshots.

cases_test.go
config_diff.go
+1 more files
Contact Cleanup
GoGo
Starter~2h
Contact Cleanup

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

cases_test.go
contact_cleanup.go
+1 more files
Countdown Carol
GoGo
Standard~2h
Countdown Carol

Output the lyrics to 'The Twelve Days of Christmas'. ``text On the first day of Christmas my true love gave to me: a.

go.mod
twelve_days.go
+1 more files
Delivery Zones
GoGo
Starter~2h
Delivery Zones

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

cases_test.go
delivery_zones.go
+1 more files
Deploy Window
GoGo
Starter~2h
Deploy Window

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

cases_test.go
deploy_window.go
+1 more files
Expense Report
GoGo
Standard~2h
Expense Report

Refactor an expense report formatter. The expense report exercise is a refactoring exercise. There is code that prints.

expense_report.go
expense_report_test.go
+1 more files
Flag Sequence
GoGo
Starter~2h
Flag Sequence

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

cases_test.go
flag_sequence.go
+1 more files
Grid Crossovers
GoGo
Standard~2h
Grid Crossovers

Identify grid crossovers in an operations matrix. A grid crossover is a cell whose value is greater than or equal to.

go.mod
grid_crossovers.go
+1 more files
Grid Hunt
GoGo
Standard~2h
Grid Hunt

In a grid hunt challenge you scan a rectangular field of characters to locate hidden target strings.

cases_test.go
go.mod
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Hailstone Cascade
GoGo
Starter~2h
Hailstone Cascade

Implement a Steps function that computes how many cascade steps a hailstone particle takes to reach unit mass.

cases_test.go
go.mod
+1 more files
Help Desk Bot
GoGo
Starter~2h
Help Desk Bot

Implement the response logic for a basic help-desk chatbot. The bot handles incoming support messages and replies with.

cases_test.go
go.mod
+1 more files
Incident Chain
GoGo
Standard~2h
Incident Chain

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

go.mod
incident_chain.go
+1 more files
Invoice Words
GoGo
Advanced~3h
Invoice Words

An invoicing system needs to print amounts in words on official documents. Given an integer from 0 to 999,999,999,999,.

cases_test.go
go.mod
+1 more files
League Table
GoGo
Starter~2h
League Table

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

go.mod
league_table.go
+1 more files
Ledger Account
GoGo
Standard~2h
Ledger Account

Simulate a ledger account supporting opening, closing, withdrawals, and deposits of money. Watch out for concurrent.

go.mod
ledger_account.go
+1 more files
Meter Reader
GoGo
Advanced~3h
Meter Reader

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

go.mod
meter_reader.go
+1 more files
Metric Network
GoGo
Advanced~3h
Metric Network

Implement a metric dependency network. In monitoring systems, metrics often depend on other metrics. A source metric is.

go.mod
interfaces.go
+1 more files
Parcel Verifier
GoGo
Starter~2h
Parcel Verifier

The parcel reference checksum process is used to validate operational parcel identifiers. These normally contain dashes.

cases_test.go
go.mod
+1 more files
Planter Rows
GoGo
Starter~2h
Planter Rows

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

go.mod
planter_rows.go
+1 more files
Priority Index
GoGo
Starter~2h
Priority Index

You are cleaning up a legacy priority table used by an internal routing tool. The old format groups item codes by.

go.mod
priority_index.go
+1 more files
Release Cadence
GoGo
Starter~2h
Release Cadence

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

go.mod
release_cadence.go
+1 more files