C809 Epoch-making event
The change in Gu Ren's expression and attitude towards him were all seen by Zhou Xianguang. Although he did not understand mathematics, he could guess that Li Qingyu's algorithm was very likely to be correct.
Even if it wasn't right, it must have opened up a new way of thinking for Gu Ren. Otherwise, with Gu Ren's proud and aloof personality
