Hello, Codeforces!

Daniel_yuan, waaitg, smg23333 and I are glad to invite you to Codeforces Round 706 (Div. 1) and Codeforces Round 706 (Div. 2), which will take place on Mar/10/2021 15:05 (Moscow time). Note the unusual time of the round. In both divisions, you will be given 6 problems and 2 hours to solve them all.

We would like to thank:

• isaf27 for the great coordination and discussion.
• KAN for the great help with round preparation.
• Wolam for all his rejected problems and discussing the problems with us.
• tiger0132, EmptySoulist, CYJian, parallelist, Sunward_z and ODT for testing the problems in advance and sharing their ideas.
• dXqwq, LTb, rui_er, CSP_Sept, Qiulyqwq, mac, dapingguo8, mazihang2022, Ashishgup, aajisaka, i_wyxkk_ak, mnaeraxr, Mitsukasa_Ayase, Oak_limy, Iidaqi, zscoder, Lovely_Ran, lgswdn, feecIe6418, orzdevinwang, happydef, Kewth, Widowmaker, star_xingchen_c, 3.141592653, Aaeria and 4c5948 for testing the round and their invaluable feedbacks.
• MikeMirzayanov for amazing platform Codeforces and Polygon.

Score distribution will be announced before the round.

Hope you all gain positive ratings $$$\Delta$$$ in this round!

UPD1: Score distribution is

Div. 2: $$$500-1000-1500-2000-2500-3000$$$

Div. 1: $$$500-1000-1500-2000-2500-3250$$$

UPD2: Editorial

UPD3: Congratulations to the winners:

Div 1:

1. Radewoosh
2. maroonrk
3. tourist
4. Um_nik
5. Egor

Div 2:

1. shikaichengwoerzi
2. grey
3. csyakuoi
4. sh_mug
5. notTehlka