This FE was the most difficult problem on the INTERNATIONAL MATH OLYMPIAD 2024

[@Tile-ih1wy]

Thank you!
We want more. Keep going!

[@dakcom-mk6mp]

Nice

[@anuradhabanthia534]

Amazing explanation

[@haitambentayebi7804]

Guys, if you start organising contests you probably will have a very good community.

[@debblez]

4:55 why does that imply f is injective and bijective?

[@debblez]

ok i see why