Блог пользователя pani.natalia

Автор pani.natalia, 3 года назад, По-английски

On January 4th I ran my script to download user profiles and sum how many users registered in different years had already logged to CF in 2022. Today is 9th, but I have some problem with API and could not update my data. So if somebody had been online already but was not included in statistics and doesn't like this fact — feel free to write DM to me or add a comment and I'll fix the issue :-)
Pay attention that bar chats use different scales.
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If you open dashboard directly you could expand Year to Quarters, Quarters to Month etc clicking on [+] on column header.You can select View data in left-click menu for every column and then select Full data and discover user profiles in details. And even find for example all people registered before Codeforces Beta Round 1 which was held on Feb 19 2010. There were 366 users registered before Codeforces Beta Round 1 and 35 of them have been already online in 2022. They are real historical persons for newcomers like me:
2222, Aksenov239, AndreySiunov, Burunduk1, cjoa, cmd, DAle, e-maxx, forest, ftiasch, Gassa, GennadiyChistyakov, gifer, pkhaustov, kronos, maos, mmaxio, mohammadrdeh, Nerevar, P___, PavelKunyavskiy, permin, Phoenix., RAVEman, Ripatti, saketh, Sergey.Bankevich, slavik, steiner, sweiss, tourist, TRR, udalov, winterflame, Zhukov_Dmitry.
Not all of them were participants of Codeforces Beta Round 1 though, but some of them started from the very first Beta round and took part in the latest contests, really unbelievable, — PanZverski and wistful23 in Good Bye 2021: 2022 is NEAR; forest and P___ in Hello 2022, and RAVEman in both.
And a couple of user have 0 in registrationTimeSeconds field in their profiles that's why we can see a funny line "Registered: 52 years ago" for prithviraj7 and alcot.

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feel that I am too old to do Codeforces...

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