Mma

A grade

{ 1, 2, 8, 12, 13, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 34, 35, 36, 44, 49, 52, 53, 54, 58 }

B grade

{ 3, 6, 7, 11, 37, 38, 39, 42, 43, 47, 48, 57, 59 }

C grade

{ }

F normal fail

{ }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }