Mma

A grade

{ 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 25, 26, 29, 31, 32, 33, 34, 35, 36, 38, 42, 45, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 62, 63, 64, 65, 67, 68, 69, 72, 73, 74, 79, 80, 81, 85, 86, 87 }

B grade

{ 7, 9, 22, 24, 27, 28, 30, 37, 39, 40, 41, 43, 44, 46, 48, 61, 66, 70, 71, 75, 76, 77, 84 }

C grade

{ 18, 20, 78 }

F normal fail

{ 82 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }