Implement a command-line tool /app/topk that reads a UTF‑8 encoded input file where each line contains a…
Implement a command-line tool /app/topk that reads a UTF‑8 encoded input file where each line contains a…: a task in TermGrade Environments: 1,004 executable Linux tasks (Harbor dataset). Exact output contract (no deviation allowed):
The task
**Exact output contract (no deviation allowed):**
Part of ai-and/termgrade-environments.