Hello Codeforces!

We are happy to invite you to participate in 2025 GUC Winter Camp, starting at Dec/04/2025 11:00 (Moscow time).

This is a 5-hour ICPC format contest.

The problems were authored and prepared by: _ahmed_tawfik_, _AhmedKamal, algohary, ahmedhusseinali107, arwa_khattab and Mohamed_3nan.

I would like to thank Mohamed308, Belal_Abouraya, nassar, Morkos, QBitTransfer, Omar_Mohammad and Adham_Jalaal for testing the round and providing valuable feedback.

We hope you enjoy the round. Good luck and have fun!