Question: in c++. I need a program that validates the check sum of an 18 digit number using modulo 11. The final character, C, is a

in c++. I need a program that validates the check sum of an 18 digit number using modulo 11. The final character, C, is a checksum value over the first 17 digits. To calculate the checksum, each digit in order is multiplied by a weight in the ordered set [7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2] and summed together. The sum modulus 11 is used as an index into the ordered set [1 0 X 9 8 7 6 5 4 3 2], with the first index being zero.

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