@contest "R10"
@contlen 12000
@problems 4
@teams 1
@submissions 0
@p A,王老师的新水杯,20,0
@p B,代老师骑行健身,20,0
@p C,数数放了几天假,20,0
@p D,再整理一次水杯,20,0
@t 1,0,1,Unknown School-jack