Well, if I were the company, I would use that information to automatically reject applicants who submitted your solution. Makes it easier for the company to filter down the applicant pool. I think there are only a finite amount of questions you can use for technical screens and eventually all the solutions to those problems will be posted. There has to be a better way for companies to interview potential applicants. Sounds like a good business opportunity since they are wasting engineering time with these type of technical screens.