"Being that this isn't my specialty, I would research a solution online as it would provide a far greater business value for the time spent. But you probably w

"Being that this isn't my specialty, I would research a solution online as it would provide a far greater business value for the time spent. But you probably want to see me try to solve it anyways, so I let's start with a brute force and improve from there." Point out that in a real life scenario you wouldn't do this because it is so more efficient to use the work of others, but then solve the problem so they can measure your problem solving skills.