Sympy

A grade

{ 3, 60 }

B grade

{ }

C grade

{ }

F normal fail

{ 1, 2, 10, 11, 12, 19, 20, 21, 22, 29, 30, 31, 38, 39, 40, 43, 44, 45, 48, 49, 50, 53, 54, 55, 58, 59, 63, 64, 65, 68, 69, 70, 73, 74, 75, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90 }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }