Based on the study of the equation of multiplication of nine different single numbers and according to conventionaldesign for NP problem by exhaustive algorithm, the author introduces an optimized algorithm to solve the famous puzzle. It is improved
that the algorithm is correct and efficient.
Chen Yong.
An Efficient Algorithm for the Equation of Multiplication of Nine Different Single Numbers[J]. Computer & Telecommunication. 2016, 1(7): 46-48