Basically anything that requires a massively parallel computation on undeterminable states that are only clear in hindsight. From https://scottaaronson.blog/ h

Basically anything that requires a massively parallel computation on undeterminable states that are only clear in hindsight. From https://scottaaronson.blog/ https://scottaaronson.blog/ : “If you take nothing else from this blog: quantum computers won't solve hard problems instantly by just trying all solutions in parallel.”