Hybrid Spiral Cipher

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$Assumptions:$ Plaintext represents the original message. Ciphertext represents the encrypted message. Let the plaintext: EVERYTHINGISPLANNED Let the keyword is: LAUGH. The numeric key will be generated from the keyword by (1) the alphabetical order of the letters in the keyword, (2) if the same letter appears more than once in the keyword, then numbering will be considered from left to

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solution.cppC++17

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