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Questions tagged [cs50-pset2]

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Caesar Pset2 Handles non-numeric key :(

I am tearing my hair out on this exercise. I cannot get it to pass a non-numeric key. I've played around with the code for 2 weeks now. I can either get it to handle a numeric key or handle a lack of ...
Chris Causey's user avatar
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1 answer
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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: #...
Ethan Mark's user avatar
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Counting words pset2 Readability

there. I am trying to complete pset2 Readability and have a doubt on counting words. Can this be an approach? int words = 0; for (int i = 0; i< n; i++) { if (isblank(text[i])) { ...
pedromndias's user avatar
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2 answers
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PSET2 Vigenere: Output bug, keyword loop going over strlen of key

I am having an issue specifically with the second for loop (under "//iterate over key inputs" comment). The counter j is going over the strlen of argv[1], and thus feeding a wrong input to my shift ...
Amanda Ramirez's user avatar
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2 answers
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Pset 2 - vegenere

#include <cs50.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> bool isNumber(char number[]); int main(int argc, string argv[]) { // ...
Rafael Áquila's user avatar
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1 answer
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vigenere error:expected prompt for input, found none

#include<stdio.h> #include<cs50.h> #include<string.h> int main(int argc,string argv[]) { if (argc!=2) { return 1; } else { int i=0; for (i=0;i&...
SajanGohil's user avatar
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1 answer
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pset2//caesar- relational operator result unused error

my code--> #include<stdio.h> #include<cs50.h> #include<string.h> #include<ctype.h> #include<stdlib.h> int main(int argc, string argv[]) { if(argc!=2) ...
Sakazuki Akainu's user avatar
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Hello, I am getting this error in Vigenere cipher (pset2), please help! [duplicate]

Please help as I am getting this unexpected error and I cant understand it.
Abhishek Patel's user avatar
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2 answers
517 views

Getting initials from a name

I am working on pset2's initials.c where the goal is to return the initials in upper case. I figured out how to get the initials of the first name, but i am not sure how to get the second name. For ...
Krubel Habteyes's user avatar
-2 votes
1 answer
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I am not sure about the error message

i was compiling my code and it gave me this error, with an arrow below the 's'. I don't understand what it means? note: to match this '(' printf("%c", toupper(s[(int)(' ')]i++));
Krubel Habteyes's user avatar
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1 answer
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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 ...
user6642011's user avatar
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2 answers
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PSET 2 Vigenere - problem

My code works with a Key of BBB and the letters AAA and loops properly and skips spaces, numbers, punctuation but fails the tests. With a key of baz, it turns world say hello to xpsme, tbz ifmmp and ...
Elizabeth's user avatar
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1 answer
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I am stuck on CS50 vigenere

Hi please see the link for the code I am working with. I think the layout is correct but cannot seem to find the correct algorithm to solve this problem. https://github.com/ionakathryn/cs50-pset2/...
i'i'i'i'i'i'i'i'i'i's user avatar
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1 answer
357 views

pset2 caesar alphabet loop

In light of CS50's plagiarism rules I'll do this in part psuedo code. My question lies within the for loop that iterates through the user's input to translate it into Caesar's cipher. For some reason, ...
LeviJames's user avatar
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2 answers
76 views

cs50 pset 2 Vigenere error with the CAPS of the keyword

what's up? I'm having an issue debugging this code. So for I have been working on Vigenere 2 days (-school time) and works great except for keywords with capitalized letters like BaZ, BAR... I'm ...
Guillermo Alcántara González's user avatar