❯ cat documents/
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Protohackers ladder
Exercise
2026-08-08
Climb Protohackers in Go — network servers from TCP echo to shared-state chat to a MITM proxy, one goroutine pattern per rung, race-detector clean.
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Protohackers ladder — subject
Subject
2026-08-08
Per-rung problem statements for Protohackers 0–5 in Go — wire-format essentials, local test recipes, and the acceptance bar of a clean race detector plus a green online checker.