2.1.8 Sympy

A grade

{ 1, 2, 14, 15, 21, 22, 23, 25, 26, 62, 63, 64 }

B grade

{ 8, 16, 17, 19, 20, 30, 31 }

C grade

{ 27, 28, 33, 34, 35, 36, 56, 57, 106, 107 }

F normal fail

{ 3, 4, 5, 6, 7, 9, 12, 13, 18, 24, 29, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 50, 53, 54, 55, 58, 59, 60, 61, 65, 66, 67, 68, 69, 70, 71, 72, 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, 101, 102, 103, 104, 105, 108, 109, 110, 111, 112, 113, 114, 115, 116 }

F(-1) timedout fail

{ 10, 32, 47, 48, 49, 51, 52 }

F(-2) exception fail

{ 11 }