2.1.2 Mma

A grade

{ 3, 5, 7, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 49 }

B grade

{ 1 }

C grade

{ 2, 4, 6, 8, 17, 18, 21, 22, 33, 34, 39, 48, 50, 51, 52 }

F normal fail

{ }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }