Mma

A grade

{ 2, 3, 5, 7, 8, 9, 10, 11, 12, 15, 16, 17, 18, 21, 22, 23, 24, 27, 28, 29, 32, 34, 35 }

B grade

{ 19, 20, 31, 33 }

C grade

{ 1, 4, 6, 13, 14, 25, 26 }

F normal fail

{ 30 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }