Before the editorial, I'd like to give special thanks to:
- cl_lmc for the problem idea of C; and
- Michael276382, itslucaslam, ansonlee2025.yay, cl_lmc, KTMC_Jack_Hui, jonahgamer110, sqrteipi, kevinxiehk for testing!
In addition, congratulations to SaiBadrik012, elliotchl, and i_love_mickey_0331 for solving all problems in this contest! [problem:https://codeforces.me/gym/725524/problem/A]




