Table of Contents

🏋️ Exercises¶

Practice problems with solutions and table-driven tests, by month & week. Deliberate practice: attempt before peeking. All stdlib-only — run go test ./exercises/....

🟢 easy · 🟡 medium · 🔴 hard

Month 1 — Fundamentals¶

week-1 — calculator, fizzbuzz, temp-converter
week-2 — dedup, runereverse, wordfreq
week-3 — counter, shapes, validate
week-4 — genset, genslice, genstack

Month 2 — Stdlib, Tooling & Testing¶

week-1 — csvsum, linestats, slugify
week-2 — humandur, retry, tempjson
week-3 — greeter, reverse, wordfreq
week-4 — base62, normalizeurl, urlstore

Month 3 — Concurrency¶

week-1 — fanin, pipeline, workerpool
week-2 — atomicgate, oncecache, safecounter
week-3 — boundedmap, semaphore, taskgroup
week-4 — crawl, tokenbucket, visited

Month 4 — Web, REST & Databases¶

week-1 — middleware, pathrouter, respond
week-2 — inmemrepo, migrationplan, txstore
week-3 — envconfig, paginate, validate
week-4 — httpapi, openapi, service

Month 5 — gRPC & Architecture¶

week-1 — frames, statuscode, varint
week-2 — chain, metadata, pathtemplate
week-3 — cacheaside, money, ports
week-4 — backoff, deadletter, metrics

Month 6 — Production & Capstone¶

week-1 — health, redact, traceparent
week-2 — drain, envconfig, secretsource
week-3 — allocfree, bufpool, tokenbucket
week-4 — linkstore, lrucache, shortcode

⬅ README · Interview drills: interview/coding-challenges.md