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As it is New Year, let’s keep this question straight forward. You are given an array $A$ of $N$ integers $A_1, …… A_N$. A good sequence is defined as a non-empty sequence of integers such that the sum of elements in **each** and **every** of its sub-sequence is divisible by $M$. Can you find the total number of good sub-sequences of the array $A$? [**Note**: a sub-sequence is a sequence that ca

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solution.cppC++17

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