Hi everyone!

I would like to invite you to the Weekly Training Farm 25 !! The problemsetter is me (dreamplay) and the tester and quality controller is dreamoon_love_AA. Big thanks to drazil for his help in preparation.

It will be a 2 hour — 5 problems contest, with ACM-ICPC style scoring, will be held on codeforces, 1.5 hours after CF round #402.

Contest time: 17:00 UTC + 5.5
Contest link: Join the group (as participant) first and find Weekly Training Farm 25.

Editorial will be provided right after the contest.
Here are the standings from a recent Weekly Training Farm contest.

Good luck and hope you enjoy the problem solving!

UPD: 30 min to the start !!

UPD: contest is over. Hopefully, each of you liked atleast one problem.

Sadly, last problem went unsolved. Happy upsolving.
Editorial will be posted soon.
Congratulations to Winners.
1. zscoder
2. eddy1021
3. cchao
UPD: Here's the Editorial.