• yes both online and offline. And online even more: during contest hard to skip task and concentrate on others if I haven't passed it but if I have then it's really inspires

• definitely no, I am too dumb in math

• I only started to do this. Even my template is still outdated. Mostly it is cppreference.

hard question actually

• mzhang2021

• NyaanNyaan

• my

I think expert in 2014 was at a lower rating than now

no, read blog, color situation for 2014: blog/entry/3064

Well biggest difference is if you get fst nowadays then author of the problem is **** but in past it is you ****

There is more content about algorithms and this is cool, there are no feeling of stagnation, that all algorithms were already invented by Tarjan in the 80s, mindblowing ideas or algorithms still appear periodically.

And I love and highly rate Educational Rounds — it is great contests. I remember first rounds their vibe doesn't changed at all.

its mental mostly. day before contest I had traumatic discussion there in cf.

Also: If you used a time machine, went to 2012 or something, and made all the GMs from that era give all of the recent contests, what would their average performance be? Same for vice versa, i.e how would a today's GM do in the 2012-2015 meta?

Firstly, I have no reasons to break this. In my age people usually have such reasons, but I don’t. Secondly I doing trainings, lectures, problems, organising for local contests and people from my city. Often I get paid for it xD. And to keep self in good form for these activities I need to practice.

I never had feeling of wasting time. On the contrary, I had many periods of inactivity and eventually regret about it.

no