Questions tagged [wraparound]
The wraparound tag has no usage guidance.
11
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Vigenère wrap around
I'm stuck on pset2 Vigenère for a couple of days now. What's left for me to do is the wrap around. A recent draft of the below program compiled and worked fine if the length of the plaintext was equal ...
- 3
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Pset2 - Vigenere Cipher Shifting An Extra 13 Letters To The Right
My vigenere code is compiling and executing; however, despite the wrap-around functionality working, whatever I type seems to shift an extra 13 letters to the right:
Plaintext: ...
- 5
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2
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362
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Pset2 - Caesar (less comfortable) wraparound problems
if (isalpha(plain[i]))
if (isupper(plain[i]))
{
printf("%c", ((plain[i]-65) + k) % 26);
}
if (islower(plain[i]))
{
printf("%c", ((plain[...
- 33
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88
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PSET2, Vigenere: Wraparound is not working properly
I'm having trouble to reset the j'th value to zero whenever we use all the letters of the key. This code prints a weird conglomerate of symbols smth like ( {[{Y}]}{[Y}]} ... ). Thanks for the help!
#...
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2
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427
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pset2 vigenere wraparound
I can't figure out how to wrap the k[i] in the formula c[i] = (p[i] + k[i]) % 26
I know the if and else code's are different, that's to illustrate the main implications I've tried. also the printf("%...
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1
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73
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Unable to make string wrap around in PSET2
I am unable to make my key wrap around. The first three letters are working, however, after those, the program stops working and outputs garbage (or really secure cipher :))
Code (Removed)
CS50Check
- 107
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106
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Help! Problem with key wraparound for pset2 vigenere
I'm having trouble with the wraparound function of vigenere in (pset 2). The troublesome line of code is the one below, I suspect. Would greatly appreciate any and all advice! :)
int adjustedkey = (...
- 3
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140
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Don't know where to start for key wraparound in vigenere pset2
First off, I've done everything for Vigenere except wraparound the code. So if I am printing something that is of equal or lesser length to the key, it works perfectly. Problem is I don't even know ...
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1
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283
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Pset2 Caesar wrap around result is inexplicably incorrect
I'm feeling somewhat silly about this, but for some reason whenever the inputted message in my implementation of the caesar cipher requires a wrap around, I end up with an incorrect letter in a ...
- 13
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1
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214
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pset 2 vigenere help
I have been working on vigenere for a long time now, and here is my issue. plaintext cab with a keyword of ab returns ccbbbb. so, the plaintext is enciphering correctly but the last letter is ...
- 4
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773
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How to wrap around the jth element in vigenere cipher efficiently?
I have seen a lot of solutions to this but still didn't found the efficient solution for wrapping around for the non-alphabet character in the text to be encrypted.
What I did was jth position (...
- 1