Sympy

A grade

{ 5, 53 }

B grade

{ }

C grade

{ }

F normal fail

{ 1, 3, 8, 10, 12, 15, 16, 18, 20, 23, 25, 27, 31, 32, 33, 36, 37, 38, 41, 42, 43, 46, 47, 48, 51, 52, 56, 57, 58, 61, 62, 63, 66, 67, 68, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }