UID: 410, Registered at 2025-11-19 14:50:40, last login at 2026-5-20 16:20:16, currently offline.
Solved 13 problems, RP: 57 (No. 288)
明日香大王
By signing up a Hydro universal account, you can submit code and join discussions in all online judging services provided by us.
Using your Hydro universal account
明日香大王