Questions tagged [vigenere.c]

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Vigenere - is there a simpler logic behind it?

My code for vigenere.c works for check50, but ends up being much longer than caesar.c in the encipher part.I was wondering if I was missing a simple point and have meandered through the logic behind ...
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CS50 Vigenere code gives incorrect when detecting a non-alphabet char for plaintext

My vigenere code works fine when a single char or string is entered, however as soon as it detects a space in plaintext it gives wonky values. Please help! #include <cs50.h> #include <stdio....
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Having problem with vigenere in cs50. Keeps returning segmentation error, even though I solved all the errors compiler pointed out

#include <cs50.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <ctype.h> char argument_upper (int key, char plaintext); char argument_lower (int ...