Questions tagged [cypher]

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Vigenere working unless there's an 'a' in the key. Please help!

I've been at this for 2 days now and am completely stumped at this point. Absent of an 'a' (or 'A') in the key, the program works exactly as intended. If an 'a' is included in the key, however, the ...
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1answer
181 views

My caesar cypher is not cyphering right, can anyone please help?

The code executes but simply prints out the wrong output. For example, when I provide a key of 'a' and then ask for 'aaaa' to be converted, the code prints out 'cccc' instead of 'aaaa'. I can't figure ...
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1answer
105 views

Why is my Vigenere cypher not processing my keyword correctly?

I have included the part of my cypher responsilble for converting a command line keyword into an array of integers that will indicate by how much each character in a phrase should be shifted in ...
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1answer
69 views

Why is my vigenere cypher code resulting in “Segmentation fault: core dumped”?

It is because I am trying to access memory that I shouldn't be, correct? Can anyone tell me where my error is? //prompt the user for a non-neg integer 'k' which is to be used as //an arg #...
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1answer
27 views

check50 doubt as it is showing an error [duplicate]

whenever I try check50 it shows up this error handles lack of argv[1] I don't understand what it means. Everything other than this is completely fine
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2answers
164 views

pset 2 segmentation fault?

I have segmentation fault somewhere, with gdb i found that it gives the fault at return a inside cypher() function, can i fix it?: /* caesar.c Carlos Lopez J. luchillo17@gmail.com ...