LiveCodeBench Pro: How Do Olympiad Medalists Judge LLMs in Competitive Programming? - Zihan Zheng; Zerui Cheng; Zeyu Shen; Shang Zhou; Kaiyuan Liu; Hansen He; Dongruixuan Li; Stanley Wei; Hangyi Hao; Jianzhu Yao; Peiyao Sheng; Zixuan Wang; et al. (CoRR, 2025)