Sympy

A grade

{ }

B grade

{ }

C grade

{ }

F normal fail

{ 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 21, 22, 23, 26, 27, 28, 29, 31, 32, 33, 34 }

F(-1) timedout fail

{ 5, 10, 15, 19, 20, 24, 25, 30, 35 }

F(-2) exception fail

{ }