Question: a) give me a c++ code to decrypt a Caesar cipher, where the key and encrypt massage will be as a input. and encrypt massage

a) give me a c++ code to decrypt a Caesar cipher, where the key and encrypt massage will be as a input. and encrypt massage will unlimited space.

b)a) give me a c++ code to decrypt a affine cipher, where a,b and encrypt massage will be as a input. and encrypt massage will unlimited space.

c)a) give me a c++ code to decrypt a vigenere cipher, where key length and encrypt massage will be as input. and encrypt massage will unlimited space.

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