2.1.8 Sympy

A grade

{ 26, 27, 32, 33, 46, 47, 48, 49, 50, 52, 54, 55, 57, 59, 60, 61, 62, 65, 66, 67, 68, 71, 108, 109, 110, 111 }

B grade

{ 24, 25, 72 }

C grade

{ 53, 58, 64 }

F normal fail

{ 1, 2, 3, 4, 5, 8, 9, 13, 17, 18, 20, 21, 22, 28, 29, 30, 31, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 51, 56, 63, 69, 70, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 107, 112, 113, 114, 115, 116, 117, 118 }

F(-1) timedout fail

{ 6, 7, 10, 11, 12, 19, 101, 102, 103, 104, 106 }

F(-2) exception fail

{ 14, 15, 16 }