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@mangqiuyang
PhD student at UC Berkeley @BerkeleySky. Former ICPC World Finalists; Opinions are my own
AI
Wenhao Chai says the team built its tasks from published papers and refined them with field experts.
AI
The EasyPPO announcement says it fixes the critic while leaving the actor update unchanged, with no new actor loss or policy algorithm.
AI
A researcher comparing expert coders with coding agents on AtCoder Heuristic Contest tasks interprets the human results as evidence that people learn about a problem while solving it.