Sympy

A grade

{ 4, 6, 7, 11, 15, 16, 17, 18, 21, 22, 25, 31, 33, 36, 37, 38, 39, 40, 42, 44, 45, 60, 61, 62, 63, 64, 66, 67, 68, 70, 71, 72, 73, 74, 76, 77, 78, 79, 80, 81, 82, 84, 85, 86, 87, 88, 89, 91, 92, 94, 95, 96, 97, 100, 101, 102, 103, 104, 105, 110, 111 }

B grade

{ 2, 10, 13, 14, 23, 26, 28, 41, 46, 65, 69, 90, 93, 106 }

C grade

{ 12, 32, 75 }

F normal fail

{ }

F(-1) timedout fail

{ 5, 20, 24, 27, 29, 30, 34, 35, 43, 49, 52, 53, 55, 56, 57, 58, 99, 107, 108, 109 }

F(-2) exception fail

{ 1, 3, 8, 9, 19, 47, 48, 50, 51, 54, 59, 83, 98 }