We will hold AtCoder Regular Contest 207 (Div.1).

• Contest URL: https://atcoder.jp/contests/arc207
• Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20251005T2100&p1=248
• Duration: 150 minutes
• Number of Tasks: 5
• Writer: camypaper
• Tester: maroonrk, snuke
• Rated range: 1600 ~ 2999

The point values will be 800-800-800-800-800.

Please note that the rules against generative AI were updated on October 3, 2025. Please make sure to read this post and the rules.

We are looking forward to your participation!