All Questions
Tagged with pset2-substitution substitution
10 questions
0
votes
2
answers
29
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PSet2, Substitution, Unexpected Output - Nested FOR loops producing repeat iterations
I've tried to figure out how an iteration could repeat itself. Iterations 1 and 4 seem to repeat. I've left in my debugging printf lines so you can see how these iterations in my nested FOR loops are ...
- 3
0
votes
0
answers
47
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PSET2 SUBSTITUTION works fine ONLY if plaintext is UNDER 9 CHAR
I was approaching the end of the substitution problem of PSET2 when I hit a snag I could not solve.
I have already written the code to check the key for the various conditions they provide. My problem ...
1
vote
1
answer
170
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pset2, problem SUBSTITUTION, Is there more than 1 way to check for repeated characters in the 26-character key?
I have a question concerning pset2, SUBSTITUTION.
I finalized the 3 initial filters of this problem:
character count
argument count
non-alphabetical characters.
now I'm moving to the fourth ...
0
votes
1
answer
89
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Substitution Just can't handle invalid keys
My code -
#include <stdio.h>
#include <cs50.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
bool check_distinct_char(string s);
bool check_char(string s);
...
- 156
0
votes
1
answer
33
views
pset2 substitution unable to identify string which has character repetition
Here is my code-
#include <stdio.h>
#include <cs50.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
bool check_distinct_char(string s);
bool check_char(...
- 156
0
votes
2
answers
40
views
pset2 substitution checking if all the characters in the key are different
I have almost finished substitution. Just that I have not yet been able to come up with a elegant way to check if all the characters in the key are distinct hence I used the following way to check if ...
- 156
0
votes
1
answer
307
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Segmentation fault in Substitution - Problem Set 2
I have finally finished writing my code for the Substitution question in Problem Set 2, but Check50 tells me that my code has a segmentation fault when there is a lack of key. My code is as follows:
#...
- 119
0
votes
3
answers
659
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How to reject repeated letters for Substitution in Problem Set 2
I am trying to write some code for the Substitution question in Problem Set 2, but I cannot figure out how to reject the case where a user gives a key with repeated letters. My code thus far is as ...
- 119
0
votes
2
answers
204
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pset2 substitution - isalpha doesn't seem to recognize letters
I'm relatively inexperienced at programming, but I thought I understood how to use command-line prompts well enough to try the substitution problem. I'm having an issue with isalpha that I don't ...
- 19
0
votes
2
answers
402
views
PS2 substitution
I am trying to check that the substitution key contains all the alphabets but am getting error: expression result unused for this line of code: s, l ++;
Can anyone help, this is my code as of now:
...
- 23