Exploring the Limit of Outcome Reward for Learning Mathematical Reasoning - Lyu, Chengqi; Gao, Songyang; Gu, Yuzhe; Zhang, Wenwei; Gao, Jianfei; Liu, Kuikun; Wang, Ziyi; Li, Shuaibin; Zhao, Qian; Huang, Haian; Cao, Weihan; Liu, Jiangning; et al. (2025)