Mma

A grade

{ 1, 3, 5, 8, 12, 15, 16, 18, 20, 23, 25, 27, 31, 32, 33, 34, 37, 38, 39, 42, 43, 44, 47, 48, 49, 52, 53, 54, 57, 58, 59, 62, 63, 64, 67, 68, 69, 73, 74, 76, 79, 82, 83 }

B grade

{ 10, 77 }

C grade

{ 80 }

F normal fail

{ 75, 78, 81, 84 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }