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Pset 4: Stuck in a loop again (all green pixels)

So, I've figured out how to change the file headers and all. Works beautifully. The large image is the right size. I couldn't be happier. However, the large bmp image is just filled with neon green ...
Dominikus Dermann's user avatar
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Key looping in Vigenere

I've reached the final step of Vigenere, but I don't really understand how do I loop the key over plaintext. This is the shift function I've created: int shift(char c) { if(isalpha(c)) { ...
Entonis's user avatar
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