Sympy

A grade

{ }

B grade

{ }

C grade

{ 13, 15, 17, 18, 20, 23, 25, 27, 28, 30, 33, 35, 36, 37, 38, 40, 42, 43 }

F normal fail

{ 1, 2, 3, 4, 5, 7, 8, 9, 10 }

F(-1) timedout fail

{ 6, 11, 12, 14, 16, 19, 21, 22, 24, 26, 29, 31, 32, 34, 39, 41 }

F(-2) exception fail

{ }