You will be given a input number (eg) x=12345
you have to figure out the dechiper key and match it with given input and decipher it
eg x=12345
ref=[0 1 2 3 4 5 6 7 8 9 ]; decipher_key=[ 1 2 3 4 5 6 7 8 9 0]
output y=23456
"If" and "while" are forbidden
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The test suite needs more tests since there is more than one possible valid key.
And the problem also needs a capital letter D. You can hide the key in a P-file if you are worried about secrecy & most people won't be able to hack it. https://www.mathworks.com/help/matlab/ref/pcode.html It's bad to have more than nine valid keys, and it gets easier to guess them correctly in later problems due to the gaps.