def __getitem__(self,x):
CostFunction.check_input(self,x)
if toSet(x) >= lub(self.A):
return -2
elif max(toSet(x) >= a for a in self.A):
return -1
else:
return 0
def __getitem__(self,x):
CostFunction.check_input(self,x)
if x == (0,0,0,0) or x == (1,1,1,1):
return -1
elif x == self.t:
return 1
else:
return 0
