Sympy

A grade

{ 1, 2, 3, 22, 28, 29, 36, 57, 58, 59, 60, 64, 65, 66, 74, 75, 77, 78, 79, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 99, 103, 107, 110, 114, 115, 118 }

B grade

{ 19, 20, 21, 26, 27, 61, 62, 63, 67, 68, 69, 70, 72, 76, 80, 94, 95 }

C grade

{ }

F normal fail

{ 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 18, 23, 24, 25, 30, 31, 32, 33, 34, 35, 42, 47, 48, 49, 53, 54, 71, 96, 97, 98, 100, 101, 102, 104, 105, 106, 108, 109, 111, 112, 113, 116, 117, 119, 120, 121, 123, 124 }

F(-1) timedout fail

{ 9, 10, 17, 39, 40, 41, 45, 46, 50, 51, 52, 73, 122 }

F(-2) exception fail

{ }