Hello codeforces :D!

We're very happy to announce and invite you to TLX Special Open Contest (TSOC) — April Fools 2025!

See our past contests: 2024 2021 2020 2018

• Contest link: TLX Special Open Contest (TSOC) — April Fools 2025
• Time: Thursday, 3rd April 2025, 13:35 UTC
• Writers: kiwii, Pyqe, athin, fonmagnus
• Duration: 2 hours 30 minutes
• Problems: 12 problems

Thanks to ayaze for testing the problems. And we would like to thank fushar a lot lot lot as an organizer who worked hard to prepare the TLX platform <3~!

UPD: Contest is over!

Congratulations to the top 5:

1. Morphed

2. SorahISA

3. namcartoon06

4. bananade1

5. sevlll777

Congratulations to our first solvers:

• A: sevlll777

• B: Zilet

• C: dewakapas

• D: wijayareynaldo

• E: Morphed

• F: Nevll

• G: Picrad

• H: SorahISA

• I: wijayareynaldo

• J: worthytacos

• K: Xylc

• Z: gamegame

Problems I like:

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• Z:

Problems I hate the most:

• A:

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Editorial is available in the contest!

Thank you for participating!

You can now upsolve the problems here.