In the end, he gave up.
Upon encountering Zhao Yi by chance, Zeng Wenjun's initial thought was to engage in a discussion, hoping that Zhao Yi could help clarify his difficulties. However, after several exchanges, he came to the realization that he was still utterly clueless. His focus then shifted to attempting to 'obtain' the source code.
Think about it.
If he could get his hands on the source code of the Rubik's cube calculator, wouldn't he then be able to report back to Matrix Technology?
At that point, he could simply assert that he'd made a considerable effort to acquire it. It's not like they would go and verify this with Zhao Yi. The source code in the Rubik's cube calculator, with its advanced algorithms and application logic, could certainly be put to great use in the hands of professionals.
Zeng Wenjun believed that, at only eighteen years old, Zhao Yi must still be a gullible youngster. Yet, to his surprise, his own 'noble trickery' had failed.