We're glad to invite you to participate in [contest:569644], which will take place on [contest_time:569644]. You will be given 10 problems and 3 hours to solve them. The problems ARE NOT SORTED ACCORDING TO DIFFICULTY so please read all problems.

The problems were authored and prepared by: Lord_Baraa, ahmedfouadnew, MN3M, enfp, Habiba_09, and our beloved coordinator Ahmadsm2005.

We would like to thank yahia, Youssef_Elwazzan, d19n, and Metal_Sonic for testing.

We would like to thank our media team for their beautiful work: enfp, Elaine151, and hAneeNn.

We hope you'll like the problems and enjoy the contest!

Join the group: https://mirror.codeforces.com/group/zJtqriSgdw/contests.

IMPORTANT NOTES:

• Solving some problems may depend on reading others.
• Searching for anything is allowed during the contest, but using AI like ChatGPT is not allowed.

Trailer: https://mirror.codeforces.com/blog/entry/126176 .

We're glad to invite you to participate in [contest:503134], which will take place on [contest_time:503134]. You will be given 10 problems and 2 hours to solve them. The problems ARE NOT SORTED ACCORDING TO DIFFICULTY so please read all problems.

The problems were authored and prepared by: MN3M, Habiba_09, enfp, ahmedfouadnew, and our beloved coordinator Ahmadsm2005.

We would like to thank yahia, Octagons, and ShahdMohamed for testing.

We would like to thank our media team for their beautiful work: H.M.Carin.VII and enfp.

We hope you'll like the problems and enjoy the contest!

Join group: https://mirror.codeforces.com/group/zJtqriSgdw/contests .

IMPORTANT NOTES:

• Solving some problems may depend on reading others.
• Searching for anything is allowed during the contest.

My skeleton life is nothing similar to my human life. I now get to sit and enjoy my farm and my cows. I can't say I hate my new life, but I definitely miss my friends and the memories we had together. Wanna know more?

https://mirror.codeforces.com/group/zJtqriSgdw/blog