Maple

A grade

{ 4, 5, 11, 14, 18, 24, 36, 37 }

B grade

{ 1, 2, 3, 6, 7, 8, 9, 10, 12, 13, 15, 16, 17, 22, 23 }

C grade

{ 19, 20, 21 }

F normal fail

{ 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }