Sympy

A grade

{ 5, 54 }

B grade

{ }

C grade

{ }

F normal fail

{ 1, 3, 8, 10, 12, 15, 16, 18, 20, 23, 25, 27, 31, 32, 33, 34, 37, 38, 39, 42, 43, 44, 47, 48, 49, 52, 53, 57, 58, 59, 62, 63, 64, 67, 68, 69, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }