We will hold AtCoder Regular Contest 186.

• Contest URL: https://atcoder.jp/contests/arc186
• Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20241027T2100&p1=248
• Duration: 120 minutes
• Number of Tasks: 5
• Writer: nuip
• Tester: maroonrk
• Rated range: 1200 ~ 2799

The point values will be 800-900-900-900-1000.

Note: This ARC also serves as a qualification round to select the 18 contestants for the Japanese national finals, making it significantly more difficult than a regular ARC. (For reference, the difficulty is close to that of ARC184.)

We are looking forward to your participation!