USACO 2021-2022 Third Contest

The third contest of the 2021-2022 USACO season will be running from February 25th to March 1st this weekend. Good luck to everyone!

This forum will be read-only for the duration of the contest window as specified at and CF (7:00 am 2/25 - whenever the website explicitly states that the contest is over).

As per USACO, the contest is now over.