Cody

# Problem 78. Implement a ROT13 cipher

Solution 1641663

Submitted on 10 Oct 2018 by Yoshinobu Kawada
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### Test Suite

Test Status Code Input and Output
1   Pass
s1 = 'I love MATLAB'; s2_correct = 'V ybir ZNGYNO'; assert(isequal(rot13(s1),s2_correct))

AM = 13 0 13 0 0 13 0 13 13 0 13 13 13 NZ = 0 0 0 13 13 0 0 0 0 13 0 0 0 s2 = 'V ybir ZNGYNO'

2   Pass
s1 = 'I <3 MATLAB!!'; s2_correct = 'V <3 ZNGYNO!!'; assert(isequal(rot13(s1),s2_correct))

AM = 13 0 0 0 0 13 13 0 13 13 13 0 0 NZ = 0 0 0 0 0 0 0 13 0 0 0 0 0 s2 = 'V <3 ZNGYNO!!'

3   Pass
s1 = 'The quick fox stumbled over the confusing instructions.'; s2_correct = 'Gur dhvpx sbk fghzoyrq bire gur pbashfvat vafgehpgvbaf.'; assert(isequal(rot13(s1),s2_correct))

AM = Columns 1 through 30 0 13 13 0 0 0 13 13 13 0 13 0 0 0 0 0 0 13 13 13 13 13 0 0 0 13 0 0 0 13 Columns 31 through 55 13 0 13 0 0 13 0 0 13 0 13 0 13 0 0 0 0 0 13 0 13 0 0 0 0 NZ = Columns 1 through 30 13 0 0 0 13 13 0 0 0 0 0 13 13 0 13 13 13 0 0 0 0 0 0 13 13 0 13 0 13 0 Columns 31 through 55 0 0 0 13 13 0 13 13 0 13 0 0 0 13 13 13 13 13 0 13 0 13 13 13 0 s2 = 'Gur dhvpx sbk fghzoyrq bire gur pbashfvat vafgehpgvbaf.'

4   Pass
s1 = 'Snape kills Dumbledore on page 606. Also, there is no Santa.'; s2_correct = 'Fancr xvyyf Qhzoyrqber ba cntr 606. Nyfb, gurer vf ab Fnagn.'; assert(isequal(rot13(s1),s2_correct))

AM = Columns 1 through 30 0 0 13 0 13 0 13 13 13 13 0 0 13 0 13 13 13 13 13 0 0 13 0 0 0 0 0 13 13 13 Columns 31 through 60 0 0 0 0 0 0 13 13 0 0 0 0 0 13 13 0 13 0 13 0 0 0 0 0 0 13 0 0 13 0 NZ = Columns 1 through 30 13 13 0 13 0 0 0 0 0 0 13 0 0 13 0 0 0 0 0 13 13 0 0 13 13 0 13 0 0 0 Columns 31 through 60 0 0 0 0 0 0 0 0 13 13 0 0 13 0 0 13 0 0 0 13 0 13 13 0 13 0 13 13 0 0 s2 = 'Fancr xvyyf Qhzoyrqber ba cntr 606. Nyfb, gurer vf ab Fnagn.'

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