After Li Chengqian came out of the hall, he looked around but didn't see Ding Ling and the others.
"It's still early. I'll go browse and buy some books to read." After discovering a bookstore not far away, Li Chengqian strode over.
He submitted his paper early for two reasons. Firstly, the questions were indeed too simple. There was no point in staying in the competition hall. Secondly, he needed to continue reading and absorbing knowledge.
He had initially thought that creating a brainwave receiver was not a difficult task.
However, after learning about integrated circuits, digital circuits, and analog circuits, he realized that he had underestimated the task.
This thing was indeed very difficult.
