2.1.3 Maple

A grade

{ 2, 3, 4, 5, 6, 7, 8, 11, 13, 14, 21, 22, 23, 24, 25, 26, 27, 28, 32, 33, 35, 36, 37, 38, 39, 43, 44, 45, 46, 47, 48, 49 }

B grade

{ 1, 9, 10, 40, 41, 42 }

C grade

{ 12, 15, 16, 17, 18, 19, 20, 34 }

F normal fail

{ 29 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }