Sympy

A grade

{ }

B grade

{ }

C grade

{ }

F normal fail

{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 23, 24, 25, 28, 29, 30, 33, 34, 35, 40, 41, 42, 46, 47, 48, 49, 50, 51, 53, 54, 55, 56, 57, 59, 60, 61, 62, 63, 66, 67, 68, 69, 71, 72, 73, 77, 78, 79, 82, 83, 84, 87, 88, 95, 96, 97, 100, 101, 105, 106, 107, 111, 112, 113, 117, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 138, 139, 140, 145, 146, 160, 161, 162, 165, 166, 169, 170, 171, 174, 175 }

F(-1) timedout fail

{ 38, 39, 43, 44, 45, 52, 58, 64, 65, 70, 76, 81, 90, 91, 92, 93, 94, 103, 104, 109, 110, 114, 115, 116, 118, 119, 120, 137, 142, 147, 151, 159, 168, 173, 177 }

F(-2) exception fail

{ }