Shaun And His Subarrays

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Shaun is very much interested in Subarrays. Shaun wants to count the number of subarrays in his chosen array with sum being a multiple of $10^9$. Since, Shaun is interested in huge numbers.He chose his array such that it contains only $10^8$ and $9*10^8$ as its elements. Help shaun to count the number of required subarrays. ###Input: - First line will contain $T$, number of testcases. The

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solution.cppC++17

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