Giac

A grade

{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 56, 57 }

B grade

{ 27, 32, 54, 55 }

C grade

{ }

F normal fail

{ 53, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ 68, 69, 70 }