View Achievements

Sirius's achievement

Those are my favories

Create a collection with your very own favorite problems.

2026-10-14 18:19:22

Uncommon

Recently completed by

cereallain 10k,

Mike Morelock 7k,

Pinea Purpurea 17k,

Marcello Virzì 10k,

Sebanov Soutov 6k,

Stefan Löffler 9k,

and 1681 others.