Hello Codeforces! The 4th Stage of the 2nd Universal Cup is coming. It will be held from Oct 7th to 8th.

The contest has been used in the 45th Petrozavodsk Programming Camp and The Pafos Programming Camp 2023.

Problem Setters: olmrgcsi, 2qbingxuan, oToToT

Testers: baluteshih, icube, ltf0501

In the 2nd Universal Cup, we have six time windows for participating. You can participate in the contest in the following six time windows:

• Oct 7th 08:00 — Oct 7th 13:00 (UTC +8)
• Oct 7th 10:00 — Oct 7th 15:00 (UTC +8)
• Oct 7th 13:00 — Oct 7th 18:00 (UTC +8)
• Oct 7th 16:00 — Oct 7th 21:00 (UTC +8)
• Oct 7th 18:00 — Oct 7th 23:00 (UTC +8)
• Oct 7th 19:00 — Oct 8th 00:00 (UTC +8)
• Oct 7th 20:00 — Oct 8th 01:00 (UTC +8)
• Oct 7th 21:00 — Oct 8th 02:00 (UTC +8)
• Oct 7th 23:00 — Oct 8th 04:00 (UTC +8)
• Oct 8th 02:00 — Oct 8th 07:00 (UTC +8)

Contest link: https://contest.ucup.ac

Universal Cup Scoreboard: https://qoj.ac/ucup/scoreboard

About Universal Cup:

Universal Cup is a non-profit organization dedicated to providing trainings for competitive programming teams. Up to now, there are more than 700 teams from all over the world registering for Universal Cup.

A more detailed introduction: https://codeforces.me/blog/entry/118679

Register a new team: https://ucup.ac/register (the registration request will be processed before each stage)

Results of the past stages: https://ucup.ac/results

Terms: https://ucup.ac/terms

Ratings: https://ucup.ac/rating