Hello Codeforces!

Get ready for the 2nd Universal Cup. Stage 20: Ōokayama, scheduled for January 27th!
This contest is based on the Tokyo Tech Programming Contest 2023. Please refrain from participating if you've already seen the problems from this contest.

There are a total of 16 problems, with the first 3 being the easiest. The remaining 13 are arranged in a random order. The problems were authored and prepared by tatyam, potato167, ponjuice, noya2, shobonvip, zer0star, ebi_fly, tassei903, x0214sh7.

We hope you enjoy the problems!