Divisibility by 3

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Given an array Arr of integers of length N, the task is to find whether it’s possible to construct an integer using all the digits of these numbers such that it would be divisible by 3. If it is possible then print “1” and if not print “0”. ### Input - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains two line of input, first an integers $N$. -

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solution.cppC++17

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