Codeforces Round #439 (Div. 2)
Difference between en17 and en18, changed 57 character(s)
Hi, Codeforces!↵
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I'm quite excited to invite you to Codeforces Round #439 (Div. 2) which takes place at [16:35 MSK on 6 October](https://www.timeanddate.com/worldclock/fixedtime.html?day=06&month=10&year=2017&hour=16&min=35&sec=0&p1=166) and lasts for two hours.↵
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One of the five problems is created by [user:quailty,2017-10-05], and the others are created by me. This is our first round here. ↵
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The round couldn't have been realized without efforts of [user:KAN,2017-10-05] and [user:gritukan,2017-10-05]. Besides, I also want to say thanks to our testers: [user:cyand1317,2017-10-05], [user:visitWorld,2017-10-05], [user:Nisiyama_Suzune,2017-10-05], [user:cdkrot,2017-10-05] and [user:gainullin.ildar,2017-10-05]. Thanks for your help to the contest. Also, thanks to [user:MikeMirzayanov,2017-10-05] with the fantastic Codeforces and Polygon platforms.↵
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The contest will consist of five problems and it is **rated** for Div. 2 contestants. The same as before, Div. 1 contestants can take part out of competition.↵
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The problems will feature... _Well, let's wait and see_ for another time ;) As per Codeforces tradition, moderate length text and no spoilers about the actual plot.↵
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I hope you can have fun during the contest. Good luck and have fun, wish you high rating!↵
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The scoring distribution will be announced later.↵
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See you tomorrow!↵
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**UPD1** : The scoring distribution is 500-1000-1500-2250-2500.↵
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**UPD2** : The contest is over. The [editorial](http://codeforces.net/blog/entry/55009) is available. (Only Problem AB, others will be published tomorrowdetailed tutorials for most of them)↵
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**UPD3** : Congratulations to top five coders!↵
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### Division 2 :↵
1. [user:1heart2plans,2017-10-05] (solved all problems!)↵
2. [user:fatice,2017-10-05]↵
3. [user:LuckyPants,2017-10-05]↵
4. [user:xza,2017-10-05]↵
5. [user:T404,2017-10-05]↵
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### Division 1 + Division 2 :↵
1. [user:1heart2plans,2017-10-05] (solved all problems!)↵
2. [user:unused,2017-10-05]↵
3. [user:fatice,2017-10-05]↵
4. [user:nuip,2017-10-05]↵
5. [user:chemthan,2017-10-05]↵
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Have fun! See you next time! (Let's wait and see...)↵
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History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en19 English Tommyr7 2017-10-07 16:12:27 38 Tiny change: 'available. (detailed tutorials for most of them)\n\n**UPD3' -> 'available.\n\n**UPD3'
en18 English Tommyr7 2017-10-07 09:24:52 57
en17 English Tommyr7 2017-10-06 19:35:32 506
en16 English Tommyr7 2017-10-06 19:03:51 158 Tiny change: 'over. The editorial(http://co' -> 'over. The [editorial](http://co'
en15 English Tommyr7 2017-10-06 11:38:01 69
en14 English Tommyr7 2017-10-05 15:55:31 0 (published)
en13 English Tommyr7 2017-10-05 15:54:14 64 (saved to drafts)
en12 English Tommyr7 2017-10-05 14:56:39 0 (published)
en11 English Tommyr7 2017-10-05 14:55:04 24 Tiny change: '=0&p1=166).\n\nOne o' -> '=0&p1=166) and lasts for two hours.\n\nOne o'
en10 English Tommyr7 2017-10-05 14:52:08 2
en9 English Tommyr7 2017-10-05 14:49:54 13 Tiny change: 'e scoring board will be a' -> 'e scoring distribution will be a'
en8 English Tommyr7 2017-10-05 14:48:05 8
en7 English Tommyr7 2017-10-05 14:46:01 33
en6 English Tommyr7 2017-10-05 14:44:50 5 Tiny change: ' spoilers to the actua' -> ' spoilers about the actua'
en5 English Tommyr7 2017-10-05 14:43:01 105
en4 English Tommyr7 2017-10-05 14:41:03 190
en3 English Tommyr7 2017-10-05 14:31:31 406
en2 English Tommyr7 2017-10-05 14:27:09 466
en1 English Tommyr7 2017-10-05 14:13:01 159 Initial revision (saved to drafts)