'1': B '2': A '3': B '4': B '5': E '6': A '7': D '8': D '9': A '10': C '11': C '12': B '13': D '14': C '15': C '16': C
By signing up a 羽润编程 universal account, you can submit code and join discussions in all online judging services provided by us.
Using your 羽润编程 universal account
