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ROSECODE 543

Spatial Awareness

elasolova · Math ·

Usually, in data processing multidimensional data (i.e. a multidimensional array) is vectorized and then processed. However, because of vectorization the spatial information in the data is lost.

For this problem, assume that you receive 1000 distinct values after a vectorization of a 4D array and you have no other information whatsoever. Then, how many possible spatial states are there for the original data? Give your answer in mod 100000009

Note: Assume that an array of size 1×1×1×1000 or any other combination involving 1, will also count as a 4D array.