Questions tagged [error]
The error tag has no usage guidance.
256
questions
0
votes
1
answer
9
views
Error when calling seconnd function - expected expression
I'm trying to call my encryption function and am getting an undeclared identifier error. Not sure where i'm going wrong.
Code:
#include <cs50.h>
#include <stdio.h>
#include <ctype.h>
...
- 1
0
votes
0
answers
13
views
Need help with my terminal, I have been strugggling with it one day😭
I don't know what's wrong with my terminal today. Where is my dollar sign???
With these weird" /workspace/..#", I run ./sort1 reversed10000.txt and the output wil be
time: can't execute './...
- 1
0
votes
0
answers
11
views
An error message that I have been getting since I tried to update cs50 codespace
For some strange reason I have been getting the following error (in the picture) since I tried to update the cs50 codespace. Do any of you have any idea how to resolve this? Also now the terminal is ...
0
votes
1
answer
63
views
CS 50 Pset 1 cash: non-void function does not return a value
I have finish a program and it can run smoothly on other platform like replit... But one I run it on vs code it shows the following error and it also have something weird happen when I run check 50 ...
0
votes
0
answers
18
views
Why am I getting the 404 error everytime i try to use the the server?
In all the tasks where I need a server, I am getting stack. If I run http-server or flask run (in different tasks), I get a 404 error. please help me fix this and check my work.
0
votes
1
answer
180
views
CS50P - Error in pset2 (Coke)
In pset2 (Loops), 2nd problem ("Coke"),
I believe there's an error in the 4th test that check50 performs: it requires an output of $0.50 after the user entered $0.30. The full price is $0.50,...
- 1
1
vote
1
answer
42
views
VS code malfunction
On this morning when I open my vs code I found this suddenly pop out. I ignore it and start coding. Afterward I found that I can save my codes, so I code it in notepad and I save it to vs code using ...
0
votes
0
answers
44
views
Lab 3 error message: Incorrect assignment of sorts
When I try to submit my answers I get these messages on running check50:
:) answers.txt
:) answers all questions
:( correctly identifies each sort
Incorrect assignment of sorts.
I'm not sure I'm ...
0
votes
2
answers
23
views
defining a char variable, why am i getting this error?
#include <cs50.h>
#include <stdio.h>
int main(void)
{
int height;
do
{
height = get_int("height: ");
} while (height < 1 || height> 8);
const ...
0
votes
0
answers
98
views
Getting "undefined reference to `get_string'" error despite having included cs50.h
I'm just starting with Week 2's problem set, in this case readability and can't get past this first step I get this error message /usr/bin/ld: /tmp/cc7uIkNX.o: in function main': hello.c:(.text+0x1e): ...
- 1
1
vote
2
answers
35
views
PSet1 - Coins issue
While doing the Coins problem set, I am receiving an error while trying to compile and I can't figure out what the issue is.
"cash.c:53:27: error: variable 'cents' used in loop condition modified ...
- 11
1
vote
1
answer
109
views
Compiling Error: Make function not working
I'm just starting out, using VS code as my IDE. Here is my code
#include <stdio.h>
//here were are setting up a function
//meow(void) means it takes no arguments
//void at the beginning is ...
- 13
0
votes
0
answers
160
views
0
votes
1
answer
97
views
Tideman - "lock_pairs skips final pair if it creates cycle" - Almost there!
Getting good results in test cases. Hoping someone can point out where I'm going wrong! I'm also open to general code comments.
// Lock pairs into the candidate graph in order, without creating cycles
...
- 11
0
votes
1
answer
14
views
Pset0 - error & fatal error
How can I resolve this problem? Is it a library problems?Is there any mistake in setting?
Appreciate before hand!
https://i.stack.imgur.com/NVXxo.png
- 1
0
votes
0
answers
51
views
pset1 Mario error: expected identifier
I really tried to find the solution for myself, but after a lot of hours I give up. Here is the error message and code if its possible please help me:)
*#include <cs50.h>
#include <stdio.h&...
0
votes
0
answers
31
views
PSET9 - TypeError: 'NoneType' object is not subscriptable
My code for pset9 - Finance runs well on my IDE but some how Check50 still reports a log in error, which I don't know why since log in function was provided in the distribution code.
Here is my code:
...
- 1
2
votes
1
answer
493
views
Can't run debugger
I'm trying to run the debugger, by typing into the terminal:
debug50 ./filename
But unfortunately an error comes up in the terminal, saying:
Failed to connect extension server on port None.
Please ...
0
votes
1
answer
12
views
How can i fix it
Whenever I press the keyboard, this error report always pops up, how can I solve it？
I have tried restarting the IDE, but it doesn't seem to work
-1
votes
1
answer
26
views
PSET4 - Filter(more)- Edges- Check50 error
#include"helpers.h"
#include <math.h>
int check_cap(int num);
void edges(int height, int width, RGBTRIPLE image[height][width])
{
RGBTRIPLE image_copy[...
0
votes
2
answers
44
views
PSET6 Readability "unsupported operand type(s) for *: 'float' and 'NoneType'"
I'm getting "unsupported operand type(s) for *: 'float' and 'NoneType'" error for line 34: "s = (100 / words) * sentences".
Not sure what to make of this since count_sentences(text)...
- 23
0
votes
1
answer
20
views
What`s my code not work?
The code is
#include <stdio.h>
int main(void)
{
printf("hello, world");
}
but when i execute ./hello.c the result is
~/ $ ./hello.c
./hello.c: line 3: syntax error near ...
0
votes
0
answers
16
views
Finance: how does the "errorhandler" work?
I am trying to understand the errorhandler function in pset9 finance. In the given application.py:
# Original version
def errorhandler(e):
"""Handle error"""
if ...
- 1
0
votes
1
answer
30
views
Mario.c:19:36: error: use of undeclared identifier 'row'
I am not sure what I am doing wrong...
I made 16 same errors of different identifiers but I am not sure why
0
votes
1
answer
34
views
Why is it asking me to declare (s) when is has been declared already?
#include <stdio.h>
#include <cs50.h>
#include <math.h>
#include <string.h>
#include <ctype.h>
bool is_valid_key(string s);
int main(int argc, string argv[])
{
if (...
- 3
0
votes
1
answer
36
views
PSET5 Why Speller can't load dictionary? (included HASH function in case it's relevant)
// Load function
bool load(const char *dictionary)
{
char word[LENGTH + 1];
FILE *file = fopen("dictionary", "r");
if (file == NULL)
{
printf(&...
- 23
0
votes
0
answers
25
views
I have an error in register function (Week9 Finance)
I would like to ask for your help please with an error I keep getting on my code for the week 9 Finance. I have been receiving like this
Here is my login/ register function below.
@app.route("/...
- 1
0
votes
0
answers
264
views
Invalid slug error
When trying to go through the steps in lab 1 for hello.c. I am getting the below error
~/ $ check50 cs50/problems/2021/pset1/hello ...
0
votes
1
answer
71
views
pset9: finance // jinja syntax error in index
I'm working on my index page and I have two errors. For the first, I'm not sure what's wrong. It seems like it's something with my return statement but I have no idea what's wrong with it.
File "...
- 3
0
votes
1
answer
42
views
error : function definition not allowed here pls help
i got this error message
pls help
$ make triangle
clang -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wshadow triangle.c -lcrypt -lcs50 -...
- 1
0
votes
1
answer
307
views
debug50 error in online IDE: 'MODULE_NOT_FOUND'
While working on pset3 tideman problem, I attempted to use the debugger and got this error in return. the debugger opens and then closes immediately, and generates the below text. How can i resolve ...
- 11
0
votes
1
answer
270
views
Why does it keep saying error: no such file or directory?
I am on part 1. The hello program worked and I'm trying to do the long int addition. It keeps saying "no such file or directory" but I can the the file with my own lion eyes and am stumped ...
0
votes
1
answer
39
views
PSET6 - Readability. When I am running my program it is showing me this error again and again
The error I am getting
Traceback (most recent call last):
File "/home/ubuntu/pset/pset6/readability/readability.py", line 46, in
<module>
main()
File "/home/ubuntu/pset/pset6/...
0
votes
1
answer
30
views
My program is not is not able to import strlen from string.h
I am working on problem set 6 - Readability (python). When I am compiling my code the following error keeps coming.
Traceback (most recent call last):
File "/home/ubuntu/pset/pset6/readability/...
0
votes
0
answers
25
views
CS50 Tic Tac Toe Minimax problem with Nonetype error
I'm having a recurring 'Nonetype object is not subscriptable' error on the minimax problem. Depending on how I setup my debugging, it either appears as an error on runner.py line 85 (trying to ...
- 1
0
votes
1
answer
144
views
Pset3 - runoff - print_winner and find_min error
After I checked my code using check50 cs50/problems/2021/x/runoff, I received the following error messages for my bool print_winner(void) function and int find_min(void) function as follows
:( ...
0
votes
1
answer
35
views
pset5 speller all words are spelled wrong
new error: most words are seen as spelling error
Here's my full code: (UPDATED)
// Implements a dictionary's functionality
#include <stdbool.h>
#include <string.h>
#include <stdio.h>...
- 15
1
vote
1
answer
33
views
pset4 filter greyscale error
When I run "make helper," the following error comes up: "undefined reference to `main'" and "linker command failed with exit code 1"
What am I doing wrong??
thank you in ...
- 15
0
votes
2
answers
70
views
make: *** No rule to make target 'cash'. Stop
I have this problem. I'm trying to run this program but it keeps showing me this message and it confuses me since I have the file cash.c saved in the pset1 directory and cash (folder).
I've looked for ...
0
votes
1
answer
18
views
GET request for a file with a space in the name
When GET was trying to find a file named DS C0001, this was the error code:
INFO: 192.168.16.37 - - [24/May/2021 13:14:10] "GET /static/images/DS HTTP/1.0" 404 -
I could simply reject all ...
- 7
0
votes
1
answer
43
views
readability pset2 multi error
I replaced semicolon with a coma as sugested erlier. I compile the code but when I enter the text to receive Grade 3 nothing happens, again anny sugestion. Thanks.
#include <cs50.h>
#include <...
- 37
0
votes
2
answers
48
views
pset5 speller passess all checks except valgrind. no memory leaks but errors raised. confused
// Implements a dictionary's functionality
#include <stdbool.h>
#include <cs50.h>
#include <stdlib.h>
#include <stdio.h>
#include "dictionary.h"
#include <strings....
0
votes
1
answer
127
views
CS50 IDE Cash feeling less comfortable
I hope you could help me with the cash, less comfortable problem. I'm receiving this error message but I'm not sure what's causing the error message. Thank you very much in advance!
- 1
0
votes
1
answer
62
views
CS50 Task meow.c custom made function doesn´t work
I think I did exactly like he showed. But there comes an error message.
When running it through help50 make meow it says:
You seem to be passing in too many arguments to a function on line 8 of meow.c....
0
votes
1
answer
1k
views
pset9 Finance "jinja2.exceptions.TemplateSyntaxError: expected name or number" error
In my index function, every time I try "flask run" it outputs that error (jinja2.exceptions.TemplateSyntaxError: expected name or number). Everywhere I've checked most people have been ...
0
votes
1
answer
115
views
Expected Expression Error
I have been working on cs50 problem set 2 and I have come across the error
readability.c:35:1: error: expected expression
else if( index > 16)
^
My code is as follows
if(index < 1)
{
...
0
votes
1
answer
103
views
pset 3 tideman print winner does not exist despite being declared
I have such a strange behavior here in pset 3, tideman. I am doing the print_winner function because check50 says everything else is fine, but when i run the program it looks like print_winner does ...
0
votes
0
answers
176
views
Tideman error: :( lock_pairs skips final pair if it creates cycle
It would be amazing if someone had the time to look through my code for the Tideman exercise :D I get the following error:
:( lock_pairs skips final pair if it creates cycle
lock_pairs did not ...
- 1
0
votes
1
answer
39
views
Receiving EOF when I execute check50 (Readability)
I keep getting EOF when I check50, but my program runs fine. It gives the correct output for every text input. I can not find a solution here. It looks fine, but when I run the check50 command I get ...
0
votes
1
answer
42
views
