I wouldn't say "1-2 minutes" but definitely within 1-2 hours even for the harder problems. This guy finished in the top 10 last year and streamed(not live) his

I wouldn't say "1-2 minutes" but definitely within 1-2 hours even for the harder problems. This guy finished in the top 10 last year and streamed(not live) his solutions so you can see how fast you need to be to be competitive: https://www.youtube.com/watch?v=Hgv6d6rrQxo&list=PLZhotmgEsCQM_p8bqiGtvBJayKOxcmSWi https://www.youtube.com/watch?v=Hgv6d6rrQxo&list=PLZhotmgEsC...