HOA (Humanfia Olympiad Agents): PutnamBench and olympiad problems (IMO, IOI, IPhO, IChO, IBO) solved by agents, checked in Lean 4 where possible
theorem-proving lean formal-verification olympiad ioi ai-agents mathlib imo ipho lean4 ibo icho putnambench
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Updated
Oct 6, 2026 - Lean