A wonderful summer holiday! After College Entrance Examination, we are extremely delighted to invite you to our second round, CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!), which will be held on Jul/31/2022 17:05 (Moscow time). Note the unusual start time of the round.You are given 8 problems and 2.5 hours to solve them.
Task statements and editorials will also be available in Chinese (Simplified) and Chinese (Traditional) after the contest.
We are sincerely thankful for the help provided by:
3.141592653, emorgan5289, errorgorn, SevenDawns, prabowo, why_no_girlfriend, valeriu, arvindr9, ExplodingFreeze, Huah, chenkuowen, 1000--7, antontrygubO_o, lych123, YunQian, magnus.hegdahl, Bench0310, Roundgod, njupt_lyy, null_awe, aniervs, Snow-Flower, dorijanlendvaj, Suiseiseki, dannyboy20031204, Lucina, ChthollyNotaSeniorious, DataStructures, q-w-q-w-q, leukocyte, RiverHamster, -skyline-, Nanako, Nezzar, I.Gleb, glebustim, Y25t, gisp_zjz, Mitsukasa_Ayase, ustze, Vladithur, IIIIndex, Acfboy, 127.0.0.1, tibinyte, i_wyxkk_ak, TML104, spookywooky, 4qqqq, CSP_Sept, yaaarseny, efimovpaul, Erkhemkhuu, ak2006, NeuraXmy, RomkaRS, bpaT_Kapaca, sus, dbsic211, 755352046, IgorI, and Kieray for testing and good advice
74TrAkToR for his excellent round coordination and help with preparation
MikeMirzayanov for great systems Codeforces and Polygon
- Nanako, absi2011, Nezzar, QAQAutoMaton, rgnerdplayer for helping prepare the problems.
magnus.hegdahl for strengthening the data of one problem (but because the problem was too hard, we removed it)
emorgan5289 for reviewing the statements
dannyboy20031204 for traditional chinese statement and editorial
You, for participating!
This is our second round! Great efforts have been put in during the past year. We are sincerely looking forward to your participation and we hope everyone will enjoy it. Besides, this round is sponsored, which indicates that everyone has an opportunity to get the prize!
UPD1: Here is the score distribution:
UPD2:Tutorial is available.
UPD3: Simplified Chinese tutorial is available.
UPD4: Traditional Chinese tutorial is available.
UPD5: Congratulations to the winners
UPD6: Simplified Chinese statement is available.(please download it and open it with edge)
And here is the information from our title sponsor:
We, the TON Foundation team, are pleased to support CodeTON Round 2.
The Open Network (TON) is a fully decentralized layer-1 blockchain designed to onboard billions of users to Web3.
Since July, we have been supporting Codeforces as a title sponsor. This round is another way for us to contribute to the development of the community.
The winners of CodeTON Round 2 will receive valuable prizes.
The first 1,023 participants will receive prizes in TON cryptocurrency:
- 1st place: 1,024 TON
- 2–3 places: 512 TON each
- 4–7 places: 256 TON each
- 8–15 places: 128 TON each
- 512–1,023 places: 2 TON each
We wish you good luck at CodeTON Round 2 and hope you enjoy the contest!