2.1.2 Mma

A grade

{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 22, 25, 26, 27 }

B grade

{ 12, 20, 21, 23, 24 }

C grade

{ }

F normal fail

{ }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }