Dear Codeforces community,

We are excited to invite you to TOKI Regular Open Contest (TROC) #13!

Key details:

• Contest links: Div 1 (rating ≥ 2000) and Div 2 (rating ≤ 1999)
• Time: 14 June 2020, 21:05 UTC+7
• Writers: yz_ rama_pang steven.novaryo
• Duration: 2 hours
• Problems: 5 for every division

Scoring distribution:

• Div 2: 100 — 200 — 300 — 400 — 500
• Div 1: 100 — 200 — 300 — 500 — 500

We would like to thank hocky, fushar as organizers, rapel, jt3698 as testers, and Yoshiyuki as proofreader.

Please register to the contest, and we hope you will enjoy TROC #13!

UPD1: We postponed the contest by two hours so that it no longer clashes with AtCoder

UPD2: Contest is over! Our top 5:

Div 1:

1. Benq
2. wiwitrifai
3. KrK
4. Egor
5. hitonanode

Div 2:

1. neal
2. tourist
3. zscoder
4. maroonrk
5. risujiroh

Editorial is available here (English on page 8).

You can upsolve the problems here.

Thank you for participating and see you on the next contest!