2.1.8 Sympy

A grade

{ 10, 11, 12 }

B grade

{ }

C grade

{ 2, 3, 4, 5, 7, 8, 9, 14, 15, 16 }

F normal fail

{ 1, 6, 13, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 42, 43, 44, 45, 46, 47, 48, 49, 50 }

F(-1) timedout fail

{ 39, 40, 41 }

F(-2) exception fail

{ }