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toupper not executing

toupper(s[i]-65) If you give that 'a', then 'a' - 65 is 32. toupper(32) will simply be 32, since 32 is not an ascii char. Be careful with your ()
curiouskiwi's user avatar
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1 vote
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Pset 2 vigenere uppercase the cipher

Look at what this line of code does: string c = uppercase(argv[1]); It declares c as a string, or more specifically, a pointer to a character string. The function uppercase() that you declared ...
Cliff B's user avatar
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1 vote
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pset2 vigenere case

Once I fixed a few compile errors, the code works fine except for not handling validating various input errors. As for being excessively long, not really. There are 4 possible cases, which you handle....
Cliff B's user avatar
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1 vote

vigenere use toupper on key, save in new string

The toupper() part is working fine, but based on what you're trying to do, you have two issues and a misconception. Issue 1: You are storing the result of the subtraction in an int called keyvalue, ...
Cliff B's user avatar
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