[Weekly Training Farm #17](http://mirror.codeforces.com/group/gRkn7bDfsN/contests) will be held on [16th December 11:30 UTC](http://www.timeanddate.com/worldclock/fixedtime.html?msg=Weekly+Training+Farm+%2317&iso=20161216T1130&ah=2).↵
↵
Weekly Training Farm Contest Series are hosted in Codeforces group [tw-icpc-blog](http://mirror.codeforces.com/group/gRkn7bDfsN/blog).↵
↵
Problems of this round and following round(Weekly Training Farm #18) are prepared and tested by [user:step5,2016-12-15], [user:meteor,2016-12-15], [user:darkhh,2016-12-15], [user:tzupengwang,2016-12-15], [user:akaiNeko,2016-12-15], and me([user:eddy1021,2016-12-15]).↵
↵
Some of the problems are original problems while others are derived from classical problems.↵
↵
Problems are estimated as Div2 contest with scoring distribution:↵
500-1000-1500-2000-2750↵
↵
Hope all of you will enjoy the contest!↵
↵
**UPD:** The contest will start in about 6 hours. [Registration](http://mirror.codeforces.com/group/gRkn7bDfsN/contestRegistration/210680) is open now!↵
↵
**UPD2**: Contest will start in 5 minutes. Good Luck!↵
↵
**UPD3**: [editorial](http://mirror.codeforces.com/group/gRkn7bDfsN/blog/entry/1648) in Chinese and English is available now!
↵
Weekly Training Farm Contest Series are hosted in Codeforces group [tw-icpc-blog](http://mirror.codeforces.com/group/gRkn7bDfsN/blog).↵
↵
Problems of this round and following round(Weekly Training Farm #18) are prepared and tested by [user:step5,2016-12-15], [user:meteor,2016-12-15], [user:darkhh,2016-12-15], [user:tzupengwang,2016-12-15], [user:akaiNeko,2016-12-15], and me([user:eddy1021,2016-12-15]).↵
↵
Some of the problems are original problems while others are derived from classical problems.↵
↵
Problems are estimated as Div2 contest with scoring distribution:↵
500-1000-1500-2000-2750↵
↵
Hope all of you will enjoy the contest!↵
↵
**UPD:** The contest will start in about 6 hours. [Registration](http://mirror.codeforces.com/group/gRkn7bDfsN/contestRegistration/210680) is open now!↵
↵
**UPD2**: Contest will start in 5 minutes. Good Luck!↵
↵
**UPD3**: [editorial](http://mirror.codeforces.com/group/gRkn7bDfsN/blog/entry/1648) in Chinese and English is available now!