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Switching Chaos

There are 2 agencies in a system, a sender S and a receiver R. Both are connected via N communication channels. S needs to encrypt N message blocks, each of length L, using a key K. After encryption, S sends the encrypted messages to R. R receives the N encrypted message blocks via the N different channels. Each message block can be represented by a string of 0s and 1s of length L. For encryption

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L1 Observation
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solution.cppC++17

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