Decode IP

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Ankur and Prateek are friends. Ankur has completed the Computer Network course and Prateek is improving his problem-solving skill. Prateek gives a String $S$ to Ankur and asked him to decode it and find an IP address (IPv4) of [Class B](https://en.wikipedia.org/wiki/Classful_network) (128 - 191) in binary. Prateek gives a hint that after sorting the given string, the first element of each octet wi

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solution.cppC++17

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