Tomorrow, we have [JOI Open Contest 2015](http://cms.ioi-jp.org/open-2015/index.html) .↵
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This is OI-like contest on CMS and prepared by Japan to practice IOI.↵
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There are two rounds using same problems. You can participate whichever you want.↵
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The first round is 04:00~09:00 GMT June 14, and second round is 10:00~15:00 GMT on same day. And since the server will be open until 14:00 GMT June 15, you can practice this round at any time until then.↵
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Please don't talk about problems until second round will be over. I'm looking forward to see a lot of IOI-er and programming contest lovers at this contest!↵
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↵
UPD1: Contests has been over. It is free to talk about the problems from now. You can still practice until the server will be closed.
↵
This is OI-like contest on CMS and prepared by Japan to practice IOI.↵
↵
There are two rounds using same problems. You can participate whichever you want.↵
↵
The first round is 04:00~09:00 GMT June 14, and second round is 10:00~15:00 GMT on same day. And since the server will be open until 14:00 GMT June 15, you can practice this round at any time until then.↵
↵
Please don't talk about problems until second round will be over. I'm looking forward to see a lot of IOI-er and programming contest lovers at this contest!↵
↵
↵
UPD1: Contests has been over. It is free to talk about the problems from now. You can still practice until the server will be closed.