Introduction - If you have any usage issues, please Google them yourself
With a matrix with minimal multiplication problem similar, although need not record bracketed style, but need to record from I to take the j results for a, B, C numbers, in order to follow-up calculation can be used before the data, avoid to repeat computation. So we need to use three-dimensional array to store ( of course with the structure of the struct data type is also very convenient ) or a two array.