Hi everyone!↵
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It's the round you've been waiting for... Codeforces Round #420 (Div 2). It will take place tomorrow, [25 June 2017, at 17:35 MSK](https://www.timeanddate.com/worldclock/fixedtime.html?day=25&month=6&year=2017&hour=17&min=35&sec=0&p1=166). As always, Div. 1 participants are encouraged to join out of competition. The round **will be rated for Div. 2 participants** and will have 5 problems to be completed in 2 hours.↵
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I wouldn't be able to create this round without the help of many people: [user:KAN,2017-06-24] for lots of help in preparing the contest, [user:gainullin.ildar,2017-06-24] and [user:Alladdin,2017-06-24] for testing and providing feedback, and as always [user:MikeMirzayanov,2017-06-24] for the Codeforces and Polygon platforms.↵
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This will be my second contest, and I'm glad to get such a nice round number :). Hopefully, you'll find the problems interesting. Of course, you should **read all the problems** so you can solve problems you find easy or interesting.↵
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To excite some and disappoint others, the round theme will have nothing to do with the number 420. Instead, continuing the anime themes of the last two rounds, round #420 will feature mad scientist [Rintaro Okabe](http://steins-gate.wikia.com/wiki/Rintaro_Okabe) (don't read spoilers!) from the anime [Steins;Gate](https://myanimelist.net/anime/9253/Steins_Gate). Statements will not contain any spoilers, but you might find the problems slightly more amusing if you've watched the series. Of course, you should watch the series if you havent :)!↵
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As per Codeforces tradition, scoring distribution will be announced shortly before the contest. Good luck, and I hope you can help Okabe with all 5 tasks :D!↵
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Scoring is standard: 500-1000-1500-2000-2500!↵
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Update: Sorry for delays.↵
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Update: Editorial is here: http://codeforces.me/blog/entry/52895↵
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I really apologize for the issues during the round. It's upset a lot of people and I should have taken more care. Hopefully you won't hold this against Okabe or Steins;Gate anime :P
↵
It's the round you've been waiting for... Codeforces Round #420 (Div 2). It will take place tomorrow, [25 June 2017, at 17:35 MSK](https://www.timeanddate.com/worldclock/fixedtime.html?day=25&month=6&year=2017&hour=17&min=35&sec=0&p1=166). As always, Div. 1 participants are encouraged to join out of competition. The round **will be rated for Div. 2 participants** and will have 5 problems to be completed in 2 hours.↵
↵
I wouldn't be able to create this round without the help of many people: [user:KAN,2017-06-24] for lots of help in preparing the contest, [user:gainullin.ildar,2017-06-24] and [user:Alladdin,2017-06-24] for testing and providing feedback, and as always [user:MikeMirzayanov,2017-06-24] for the Codeforces and Polygon platforms.↵
↵
This will be my second contest, and I'm glad to get such a nice round number :). Hopefully, you'll find the problems interesting. Of course, you should **read all the problems** so you can solve problems you find easy or interesting.↵
↵
To excite some and disappoint others, the round theme will have nothing to do with the number 420. Instead, continuing the anime themes of the last two rounds, round #420 will feature mad scientist [Rintaro Okabe](http://steins-gate.wikia.com/wiki/Rintaro_Okabe) (don't read spoilers!) from the anime [Steins;Gate](https://myanimelist.net/anime/9253/Steins_Gate). Statements will not contain any spoilers, but you might find the problems slightly more amusing if you've watched the series. Of course, you should watch the series if you havent :)!↵
↵
As per Codeforces tradition, scoring distribution will be announced shortly before the contest. Good luck, and I hope you can help Okabe with all 5 tasks :D!↵
↵
Scoring is standard: 500-1000-1500-2000-2500!↵
↵
Update: Sorry for delays.↵
↵
Update: Editorial is here: http://codeforces.me/blog/entry/52895↵
↵
I really apologize for the issues during the round. It's upset a lot of people and I should have taken more care. Hopefully you won't hold this against Okabe or Steins;Gate anime :P
