Among them: S is a one-dimensional vector, said each level
problem’s number, record the number of fatal problems,
serious problem number, the number of general issues, the
secondary question, remind question number; W is five
dimensional vector, said the weight of each level, a fatal
problem weight of 16, serious problems weights of 8, the
general problem of weight is 4, weights of 2 minor problems,
remind question weights is 1.