Questions tagged [cs50x2019]
The cs50x2019 tag has no usage guidance.
33
questions
0
votes
1answer
33 views
i m getting segmentation fault in my code for cs50 caesar
#include <stdio.h>
#include <cs50.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
int main(int argc, string argv[])
{
//getting correct input for KEY
...
0
votes
1answer
56 views
2019-2020 Progression bar red beside finished
I've start the CS50 late 2019 and finish it last week.
I'm in this case:
"If you submitted Problem Sets 0 – 4 last year, resume your studies with Problem Set 3 in Week 3 then skip to Week 6 and ...
0
votes
1answer
85 views
I don't think that I will be able to finish CS50 before the end of the year. Will I be able to continue the course next year?
I tried asking this on Quora, but it was never answered. Figured I'd try my luck here.
3
votes
1answer
57 views
Enrolled in 2018, upgraded for certificate in 2019, can I still get the CS50x certificate in 2020?
I first signed for CS50x in 2018, watched the first few lectures and then stopped. I never submitted any problem set back then. This year, I signed up again and this time upgraded for a verified ...
0
votes
2answers
325 views
CS50 Finance Check/Register Issues
I keep getting the same errors. I'm pretty sure the reason most my code won't work is because of my check function. I don't if it's not communicating well with my register function (which I am ...
0
votes
1answer
43 views
having problem in check() in cs 50 finance
The problem is i dont know why my script code is not not executing,it registers
already registered users
below is my register.html
{% extends "layout.html" %}
{% block title %}
Register
{% ...
0
votes
1answer
492 views
unused variable error when trying to create separate table for each user's transactions in finance problem
here is my code
215 db.execute("CREATE TABLE ':username' [finance.db]('symbol'
varchar(16),'price' float, 'shares' int,'transaction_date' date ,
'transaction_time' time" ,...
0
votes
1answer
334 views
survey : ValueError: too many values to unpack (expected 4) in template sheet.html
problem is when i run the application creating csv out of form.html and later try to represent that in a table in sheet.html after opening the list i made out of reading csv file , and try to access ...
0
votes
1answer
371 views
CS50 Recover compiles, but doesn't compile on check50?
on the 2019 pset 3 on CS50, my code for "Recover" is working and compiling, but when I go to check50, it fails to compile.
Picture of code:
https://pastebin.com/rCALvDjq
Picture of error messages:
...
0
votes
1answer
21 views
Still having issues with Vigenere pset 2 problem 2
After, trying to add 1 to j, so I can only encrypt characters and not non alphas I am still having issues. Really getting stuck on this and have outsourced a lot online from what other people have ...
0
votes
1answer
23 views
Output issue with pset 2 Vigenere
I am currently having an issue with returning the right values for anything that is non alphabetic. For instance, if input I "bacon" as my key and type in "Meet me" as my plain text. My code comes out ...
2
votes
0answers
455 views
OSError: [Errno 99] Cannot assign requested address in pset7 2019
I am trying to send email via my server to the persons who have done their registration. Their information is getting stored in database( csv file) but when I click on submit button, nothing loads and ...
0
votes
0answers
102 views
Pset1 mario only executing do-while loop
So i've spent way too much time on this. Didnt expect it to be so difficult. I think i got the coding right but for some reason the program is only executing till the do-while loop and then it exits ...
0
votes
1answer
148 views
pset7 survey - for loop to give alerts not working properly, why not?
I can't figure out what's wrong with my for loop, written in Javascript. It isn't functioning as needed.
1- It only sometimes gives the javascript alert message saying "Please make sure you have ...
1
vote
2answers
103 views
I don't know why check50 HATES ME?! mario.more
Here's my code for mario.more.
[removed solution code]
When i execute this code, it performs exactly how it should look according to Walkthrough:
But when I run check50, the terminal goes like ...
0
votes
3answers
667 views
I am ABSOLUTELY STUCK! (mario less)
Ok, I have tried and have gotten a 60%. I need at least a 70% to pass. Please. Help. Me. Please. Tell. Me. What. Do. I. Do. I am done cash and now I'm stuck on this! Here is my code:
#include <...
0
votes
1answer
84 views
It doesn't work?!!! (Mario less)
Ok so this is my code:
#include <cs50.h>
#include <stdio.h>
int main(void)
{
int n;
do
{
n = get_int("Height: ");
} while (n <= 0 || n > 23);
for (int i = 0; i <= n; i++)
...
0
votes
1answer
45 views
Help please with code Mario error
#include <stdio.h>
#include <cs50.h>
int main(void)
{
int pyramid_height = 0;
do {
printf("Height:");
pyramid_height = GetInt();
if (pyramid_height == 1)...
0
votes
1answer
95 views
I need help with cash - again
Ok so this is my improved code:
#include <stdio.h>
#include <cs50.h>
#include <math.h>
int main (void)
{
float c;
int a, n=0;
do
{
c = get_float("Change: ");
}
while (...
0
votes
1answer
96 views
I need help. (pset 1 - cash) I don't get this!
So this is the code I have now:
#include <stdio.h>
#include <cs50.h>
#include <math.h>
int main (void)
{
float c;
int i;
do
{
c = get_float("Change: ");
}
while (c <...
0
votes
1answer
426 views
How to print out hashes in mario(less comfortable)? (2019)
Ok so this is my code I have right now:
#include <cs50.h>
#include <stdio.h>
int get_positive_int(string prompt);
int main(void)
{
int i = get_positive_int("Height: ");
for (i = 0; i < ...
0
votes
1answer
227 views
pset6 bleep: Problem with difference between list and string
I assume that I have the following problem:
I create a list for the banned words and although a list with the text input.
Then I want to compare both list.
But when I create the list of the user ...
0
votes
1answer
36 views
"check" function in pset4, problem with hashtable and pointers
I'm getting an pesky error when trying to compile my code.
error: use of undeclared identifier 'hashtable'
first = hashtable[i];
My code, per below, is an attemp to implement the check function ...
0
votes
1answer
22 views
Adding a code block to perform operations on float
I am currently on PSET 1 Cash and have my program asking for the amount of change required, not accepting negative values and now I want to add a code block to start performing the operations on my ...
0
votes
1answer
390 views
Speller 2019: dictionary could not be unloaded and the program identifies misspelled words wrongly
my code does not work so well because it could not unload the dictionary/large eventhough there are no leaks in memory. My programm does also identify the misspelled words wrongly.
Just comment if ...
1
vote
2answers
1k views
Problems with check50 for pset2 caesar 2019
Hello!
I have two questions that I hope someone can help out with!
Q1) I just finished writing my solution for pset2-Caesar in CS50 Lab- When I try to check it with check50 I get an error message as ...
5
votes
3answers
4k views
CS50 Finance/pset8 2019 /check
I am trying to write the script for a form such that if a username is taken, the user is alerted that it is taken, and submission of the form is blocked. If the username then types in the correct ...
2
votes
2answers
3k views
pset6 python bleep
i have this failed test when i use check50 in pset6 bleep
:( handles banned words lists with arbitrary words in them
Log
running python bleep.py banned2.txt... sending input My cat and dog
...
1
vote
1answer
2k views
CS50 Finance 2019 /check subproblem
In the 2019 edition of CS50 Finance there is a final subproblem where you have to use AJAX to ask the server if a username a new user is trying to register with is already taken, and then alert the ...
1
vote
1answer
315 views
Problem Set 3 (Resize) Help
I have been working for a while now, and I have a few questions regarding the Resize problem set. My code makes sense to me intuitively, but I am sure I went wrong somewhere, as my output is clearly ...
0
votes
1answer
100 views
continue from 2018 to 2019
I had submitted problem Sets 0 – 7 last year,
except problem set 4 (0-3) (5-7), problem set 8
and the final project.
what should I do?
0
votes
1answer
18 views
Pointers to pointers within structures
I am trying to alter a pointer member (cI of a) within a structure (custInt) via another pointer (b). I am not sure why a is not changing despite the fact that b was set equal to a. Do a and b not ...
0
votes
1answer
710 views
Confused on where to start after 2018 - 2019 switch
When I logged into edX after January 1st, I saw a different course main page than what I was used to. Prior to 2019, I had finished all of week 0, week 1, and week 1 continued. That means I finished ...
