We will hold AtCoder Beginner Contest 439.

• Contest URL: https://atcoder.jp/contests/abc439
• Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20260103T2100&p1=248
• Duration: 100 minutes
• Writer: physics0523, Nyaan, kyopro_friends, blackyuki
• Tester: MMNMM, yuto1115
• Rated range: ~ 1999
• The point values: 100-200-300-425-450-525-650

We are looking forward to your participation!