Hi Codeforces!↵
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It's our pleasure to announce the 10th edition of Bubble Cup. Bubble Cup is a programing competition organized by [Microsoft Development Center Serbia (MDCS)](https://www.microsoft.com/sr-latn-rs/mdcs), and will be held this weekend. Contest will take place on [Saturday, 2nd of September at 09:30 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?day=2&month=9&year=2017&hour=9&min=30&sec=0), in Belgrade, Serbia. Live results will be available on [the official Bubble Cup website](http://www.bubblecup.org/) (results will be frozen during the last hour of the competition). Winners will be announced at the closing ceremony.↵
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Just like the two previous editions, this final will be followed by an online mirror competition on Codeforces. Mirror will take place on [Sunday, 3rd of September at 10:00 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?day=3&month=9&year=2017&hour=10&min=0&sec=0). Contest will last for 5 hours and ACM ICPC rules will be applied. It will be a competition for teams of 1-3 members. There will be at least eight problems.↵
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We kindly ask participants of the onsite final to hold off discussing problems publicly until the mirror is over.↵
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Contest was mainly prepared by employees of MDCS. We give our thanks to Nikolay Kalinin ([user:KAN,2017-08-30]) for the round coordination, Mike Mirzayanov ([user:MikeMirzayanov,2017-08-30]) and the team behind Codeforces and Polygon platforms.↵
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The contest will be unrated. The reason for this is because rules of this contest are not common for Codeforces. Also, it is only a mirror of an onsite competition.↵
↵
Editorial will be available in [the booklets section on the Bubble Cup website](http://www.bubblecup.org/Home/Booklets) a few hours after the online mirror ends.
↵
It's our pleasure to announce the 10th edition of Bubble Cup. Bubble Cup is a programing competition organized by [Microsoft Development Center Serbia (MDCS)](https://www.microsoft.com/sr-latn-rs/mdcs), and will be held this weekend. Contest will take place on [Saturday, 2nd of September at 09:30 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?day=2&month=9&year=2017&hour=9&min=30&sec=0), in Belgrade, Serbia. Live results will be available on [the official Bubble Cup website](http://www.bubblecup.org/) (results will be frozen during the last hour of the competition). Winners will be announced at the closing ceremony.↵
↵
Just like the two previous editions, this final will be followed by an online mirror competition on Codeforces. Mirror will take place on [Sunday, 3rd of September at 10:00 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?day=3&month=9&year=2017&hour=10&min=0&sec=0). Contest will last for 5 hours and ACM ICPC rules will be applied. It will be a competition for teams of 1-3 members. There will be at least eight problems.↵
↵
We kindly ask participants of the onsite final to hold off discussing problems publicly until the mirror is over.↵
↵
Contest was mainly prepared by employees of MDCS. We give our thanks to Nikolay Kalinin ([user:KAN,2017-08-30]) for the round coordination, Mike Mirzayanov ([user:MikeMirzayanov,2017-08-30]) and the team behind Codeforces and Polygon platforms.↵
↵
↵
↵
The contest will be unrated. The reason for this is because rules of this contest are not common for Codeforces. Also, it is only a mirror of an onsite competition.↵
↵
Editorial will be available in [the booklets section on the Bubble Cup website](http://www.bubblecup.org/Home/Booklets) a few hours after the online mirror ends.
