POSITION_SUBSTITUTION

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Vivek wants to send a secret message to Mohan over an insecure channel by encrypting it so that no hacker may eavesdrop. $Assumptions$: $ P $ is the plaintext, which represents the original message. Plaintext alphabets are all in upper case without any punctuation and whitespaces. $ W $ is the key string that is used to encrypt the plaintext. $ C $ is the ciphertext, which represents the encryp

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solution.cppC++17

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