Rubi

A grade

{ 8, 16, 17, 18, 19, 20, 32, 33, 34, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 50, 51, 52, 53, 54, 55, 58, 59, 60, 63, 64, 65, 68, 69, 70, 73, 74, 75 }

B grade

{ }

C grade

{ 1, 2, 3, 6, 7, 11, 12, 13, 35, 36, 37 }

F normal fail

{ }

F(-1) timedout fail

{ }

F(-2) exception fail

{ }