Mma

A grade

{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 26, 28, 30, 32, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46 }

B grade

{ }

C grade

{ 23, 24, 25, 27, 29, 31, 33, 36 }

F normal fail

{ }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }