Introduction - If you have any usage issues, please Google them yourself
Encryption (10 points)
DISCLOSURE:
Design an encryption program. Including converting plaintext and key. With this issue, master array format output, string manipulation, type conversion.
Requirements of the subject:
(1) Enter any period of plaintext M, and the key K
(2) according to the following formula to convert ciphertext C.
Ci = mi+ K, where i = 0,1, ...... n-1, K is the key
(3) having input and output interfaces.