'1': C '2': B '3': C '4': A '5': B '6': B '7': B '8': B '9': C '10': B '11': B '12': B '13': B '14': B '15': A
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
ALT_zhaoshengben
LV 8
@ 2026-3-28 21:54:19
