Questions tagged [vigenere.c]
The vigenere.c tag has no usage guidance.
32
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In pset2, Vigenere, I made and used an array that I would like for it to be explained
I’ve successfully solved Caesar and Vigenere pset but made and used an array that I stumbled upon through trial and error but don’t exactly know why and how it worked. I’m hoping someone could clarify ...
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29
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I have multiple issues with my code
after rewriting my code again i faced some proplems, when i compile it with 'a' or other key it's not printing anything, and i'm checking if user not providing plaintext it should print messege but it ...
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what's wrong here? i get an segmentation fault error and am i at the right direction?
int keyvalue = 0;
int n = strlen(argv[1]);
char cipher;
for (int i = 0; i < n; i++)
{
keyvalue++;
}
for (int i = 0, s = strlen(...
- 35
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1
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38
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Vigenère spitting out random strings
My vigenère is spitting out random strings. For example, here is a test I got from my terminal
~/pset2/ $ ./vigenere a
plaintext: a
ciphertext: G
~/pset2/ $
And my code is here. I suspect that ...
- 203
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443
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CS50 pset2 vigenere problem getting the shift
Problem with the shift value function ##
Hi,
Could anyone please take a look at the code below and help me figure out where it goes wrong. I think the problem is with the shift_value.
The code ...
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1
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152
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vigenere pset2 spaces
I'm having issues figuring out how to ignore the spaces in the user string when changing to ciphertext. I thought the isalpha() check accounted for that but I guess not.
Any help would be ...
- 3
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51
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Vigenere Cipher Printing Problem
I am wondering what this code is doing wrong when I run the keyword, "illuminatti," and the plaintext, "Magick is the key". I should get the ciphertext, "Ulrcos vs mam spj". I instead get the ...
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1
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59
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Problem about vigenere.c
https://pastebin.com/Quzkj9FT
I have finished the first case : both plaintext and key are isupper.(The Link)
However, I got some problems when doing either one of them is islower.
Can anyone give me ...
1
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1
answer
19
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Vigenere.c has some problem in accepting alpabetic as a key
when i give an input of ./vigenere abc it doesn't accept and its printing key must be alphabetic.where have i gone wrong.would anyone explain in brief? and how do i correct it? Please help me out.!
...
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34
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not satisfying the condition for input
In command line argument,it should not accept argv[1] as a numeric or any other.It should accept only alphabetic and that argv[1] is treated as key which is to be added with plaintext.so,for that i ...
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89
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Pset3 help : vigenere error
I have this error.
Please Help
~/workspace/pset2/ $ make vigenere
clang -fsanitize=signed-integer-overflow -fsanitize=undefined -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wshadow ...
- 24
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1
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52
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Vigenere unexpected output after length of key
I feel like I'm pretty close with this one, but I can't find where the wraparound is messing up. Any idea where I'm going wrong?
Expected:
$ ./vigenere ABC
plaintext: HELLO
ciphertext: HFNLP
Actual:...
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1
answer
54
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Vigenere can't get correct output from key
I'm working on at least getting the key to apply the first go-around, then I will worry about how to wrap around the key. I'm outputting integers in the alphabetical index to keep it simpler.
Here is ...
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1
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774
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vigenere and space character
Pls help me.
My code:
https://gist.github.com/morozded/774d9d3c4575efee661d6b21290b0b97
Result my code:
~/workspace/pset2/vegnere/ $ ./vigenere bacon
plaintext: Meet me at the park at eleven am
...
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1
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97
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vigenere.c done incorrectly, or check50 broken? [duplicate]
I completed vigenere.c per the spec for pset2, and it seems to be working fine. However, when I use check50, this is the result I get.
So it says everything is fine, however when it checks how the ...
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100
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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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1
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80
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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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59
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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 ...
0
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1
answer
303
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Pset2 Vigenere very close but errors on Check50
this was very useful last time when I was struggling with an unseen error. I'm just after a nudge in the right direction again, My code compiles and passes most of the check50 tests bar a few, the ...
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79
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Please correct my mistakes in my vigenere code
Here's my code. I get lot's of errors from the compiler. Can you simply fix explicit errors that I made? So that I am on the right track and then I can keep fixing.
#include <cs50.h>
#include &...
- 101
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84
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vigenere.c unknown problem / am I an idiot?
Right gentlemen. I've been really bad doing vigenere.c, doing it for 3 days in a row, I've finally made it and it passes check50 tests, but!
I've 2 almost the same codes, one which should work, but it ...
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1
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25
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Pset2 - Receiving different outputs each time I run my code- Vigenere.c
I'm working on Vigenere.c, and while my code seems to be mostly correct, I keep having very strange outputs which are not even the same every time I run the program (e.g. If I run my code one time ...
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1
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41
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pset2 vigenere.c question.. everythint passes except BaRFoo to BaZ
This is my first time posting on here so bare with me. Having a little trouble with pset2 vigenere.c. I've been looking through the forums looking at all the questions pertaining to my question, but ...
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1
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71
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Trouble with pset2 vigenere
Can't figure out what I am doing wrong here. I am guessing it has to do with the way I am incrementing through the keyword.
Sample below:
firecore@ide50:~/workspace/pset2 $ ./vigenere abcdefghijk &...
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22
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Pset2 vigenere key verification problems
Hey to check that the user is entering just alpha I have it set as:
If (!isalpha(argv[1])) && (argc != 2)
{
Yell at user
}
The argc check works fine on its own.
The isalpha check returns a ...
- 3
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2
answers
66
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Vigenere compiles but doesn't ask for input?
I'm really struggling with this pset. I know my code isn't 100% right yet but I compiled it to test it out and it eventually compiled without errors. But the problem I'm having is that it's testing ...
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133
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Pset2 Vigenere Cipher error
I'm solving the Vigenere Cipher of Pset2, but when I compile the program, it shows an error:
format specifies type 'int' but the argument has type 'unsigned long' [-Werror,-Wformat]
I am not sure ...
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1
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33
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bad access error or segmentation fault on Vigenere
I am following along the cs50 course using Xcode and I have vigenere almost working except it only lets me input 28 characters for the message, beyond that I get "exc bad access" error in Xcode or ...
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Problem Set 2: Vigenere's Cipher
I implemented the check50 to check the correctness of my vigenere's cipher program and received the following prompt:
:( rejects "Hax0r2" as keyword
\ expected output, not a prompt for input
What ...
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1
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105
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pset2. need help on vigenere.c code
Help me please with a problem on coding vigenere.c.
The problem is with figuring out the correct code for using the key-formula on the plaintext.
I think that i've found out the correct formula for ...
- 107
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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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2
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96
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Vigenere code has Segmentation error
I've been working on the vigenere.c problem from pset2 and am struggling to find the error in my code currently because whenever I try to run it my code crashes. Clearly there is something wrong but I ...
