Questions tagged [error]

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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 <...
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2answers
29 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....
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14 views

Request throwing JSON error

I'm having a very strange problem. This code, which was working perfectly yesterday, is now throwing the error - File "/usr/local/lib/python3.9/json/decoder.py", line 355, in raw_decode ...
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1answer
16 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!
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1answer
20 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....
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1answer
92 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 ...
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1answer
12 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) { ...
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1answer
36 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 ...
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60 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 ...
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1answer
22 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 ...
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0answers
20 views

Help, doe not working - cash [duplicate]

Can someone please help me, as much as I think it should give the least amount of coins needed but it is not.
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1answer
36 views

Can you tell me my mistake

Please help, I don't know where the problem is.
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1answer
11 views

I tried everything and it still shows me this error

1 error generated. $ clang cash.c cash.c:6:1: error: expected identifier or '(' my code starts like this #include <stdio.h> #include<cs50.h> #include <math.h> int main (void); float ...
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1answer
33 views

Error in CS50 IDE Terminal

I was working on the cs50 IDE and noticed this happen a couple of time - As you can see in the last terminal in the last entry the substitution changed to subst i don't know why. This happens mainly ...
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0answers
15 views

I am getting 2 following errors on using check50 on my code. Can anyone help?

:( encrypts "This is CS50" as "Cbah ah KH50" using yukfrnlbavmwzteogxhcipjsqd as key output not valid ASCII text :( encrypts "This is CS50" as "Cbah ah KH50" ...
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1answer
23 views

Pset2 Readability error with “else” statement

readability.c:28:9: error: expected expression else: Shown above is the error I am getting. If anyone would point me to what exactly I am doing wrong. that would be great. Bellow, I will add my ...
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1answer
97 views

HELP, keep getting this error… error: invalid operands to binary expression ('float' and 'int')

Hi! keep getting this error in my code Could someone kindly help me figuring out whats wrong? Thank you :)
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1answer
43 views

Pset2 Readability undeclared identifier error message

I am attempting to make my program but everytime I try, it tells me I have not identified my variable "i" eventhough I identified it as an integer above. Does anyone know what I'm doing ...
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1answer
31 views

My program is not free of memory errors Speller Pset 5. Can anyone help?

I am working in Speller of PSET5. My program compiles and only has one problem :( program is free of memory errors valgrind tests failed; rerun with --log for more information. The rest of the ...
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1answer
15 views

pset2 (ceasar) - isdigit function not working correctly returns “expected expression” error

I don't know why I am getting an error on my isdigit() function, it seems correct to me. #include <stdio.h> #include <cs50.h> #include <stdlib.h> #include <string.h> #include &...
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4answers
1k views

Can't submit or check

I'm trying to upload my assignment, but I keep getting the same error whenever I run the check50 or submit50 command: "Make sure your username and/or password are valid and submit50 is enabled ...
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1answer
64 views

*** No rule to make target 'runoff'. Stop. Even though I'm in the correct directory

I keep getting the No rule to make target error on the runoff problem even when I'm in the correct directory as you can see in the picture attached. Note: I have just completed the vote function for ...
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25 views

Internal Server Error

Error Message: "Internal Server Error The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.&...
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1answer
27 views

RuntimeError: unused values (wp) in Final Project

I'm working on my final project for the Web Track and whenever someone wins the game (tictactoe) I get an internal server error and the error message: RuntimeError: unused values (wp) Now what this ...
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1answer
65 views

My code does what I want it to do, but I get errors with check50 (PSET1, MARIO, LESS)

When I run my code in the terminal it gives me the correct response. However, check50 indicates there is an issue with my spaces. I have spend 2 days looking at it but I dont know whats wrong. INPUT /...
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1answer
18 views

Terminal window not update

Struggling after Certain changes were made on the file and compiled as compiler failed to identify the changes made.I.e the terminal window displays the same errors in the file. This meant program ...
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1answer
125 views

Unable to compile pset1. Mario (Less comfortable)

I am unable to compile my file and get many errors. INPUT #include <cs50.h> #include <stdio.h> int main(void) //Prompt for the height of the pyramid int height; height = get_int (...
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2answers
53 views

ERROR PROBLEM SET 1- CS50 LIBRARY

I have included the cs50 library however, I am still getting an error. Input: #include <stdio.h> #include <cs50.h> int main(void) { printf("hello, %s\n"); } string name = ...
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0answers
11 views

CS50 Web programming with python project1

While I'm trying to install psycopg2-binary it is showing me the following error. Help me with it.
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2answers
385 views

Problem Set 1 help, clang hello.c, and ls (list)

When I follow the directions from Problem Set 1 on the website, I get an error code when I type in clang hello.c and when i type in ls the list doesn't show up. Before I made the new file so I could ...
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1answer
60 views

Getting partial output in Blur (pset4 filter) , trying to debug edge and middle pixel

My program when run through check50 says the corner pixels work but nothing else seems to work. I have been stuck on this problem for days and after not getting any considerable reply on the cs50 ...
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28 views

I got a “linker command failed with exit code 1” error after compiling my source code

clang -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wshadow mario.c -lcrypt -lcs50 -lm -o mario /usr/bin/../lib/gcc/x86_64-linux-gnu/7.4.0/...
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1answer
58 views

Error: use of undeclared identifier 'j'

My code looks fine but "make mario" insists that "Error: use of undeclared identifier 'j'". #include <cs50.h> #include <stdio.h> int main(void) { int n; do { n = get_int ("Height: "...
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6 views

Eorror while login virtual machin

I am getting the follwing error in VMWare Workstation 15 error while running virtual machine. This host does not support Intel VT -x. This host does not support "Intel EPT" hardware assisted MMU ...
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0answers
124 views

Getting a NameError in the PageRank problem in CS50's Introduction to AI with Python

Here's the implementation code :- https://gist.github.com/ShaunakInamdar/9a914b43bb778aac04e8f254f3e5329f I'm getting an error in line 89 saying "NameError: name 'pageRank' not defined." Somebody ...
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52 views

I am having trouble with the 2020 pset4 Recover assignment and even though my code compiles, it doesnt work, its not recovering the images

EDIT: I posted this 17 days ago please help. Heres my code and it wud be great if someone cud help A.S.A.P. thankyou! #include <stdio.h> #include <stdlib.h> #include<stdint.h> #...
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1answer
92 views

Mario problem in IDE

I was trying to run the below program on CS50 IDE, however it shows an error, is it something wrong with the CS50 IDE ? #include <cs50.h> #include <stdio.h> int main(void) { int n; ...
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1answer
251 views

cs50 question. Pset2 Readability

hi i need help in making Readability. i get an error when i put in make readability. this the error i get. $ make readability clang -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wno-...
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0answers
1k views

NameError: name 'db' is not defined

I've made a simple code using python, where with the help of Flask_sqlalchemy I am trying to create 2 tables in a database which is being hosted by Heroku. The file db.py contains my table details ...
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3answers
43 views

Mario Problem set 1 undefined reference

This is the error I'm getting and I'm not sure why it isn't working because this is how it was done in the example in the lecture. This is done using and for reference. I've looked similar questions ...
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1answer
30 views

Problem set 1 Mario variable issue

I've been staring at my computer for so long trying little tweeks to fix the error message. TLDR how do I stop the shadow message from appearing and initialize variable h? The image looks confusing ...
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1answer
60 views

Pset3: Plurality; Code doesn't consider command line arguments expect the first one!

I don't understand why my code only considers the first command line argument and shows "Invalid Input" for rest of the arguments upon passing other argument's name while voting. Here is the code ...
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1answer
63 views

CS50 Terminal saying there's error in code that isn't there - More Comfortable Mario

Whenever I type Make Mario into the Terminal for the "More Comfortable" Mario.c assignment in Week 1, it keeps telling me I have an error on 13:9 - but there's nothing typed on 13:9. I'm a bit ...
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1answer
850 views

pset3 Runoff help

My code compiles but the only functions that had no errors are the print_winner and eliminate functions. I have tried to solve the errors for the other functions with no luck. My errors with the ...
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1answer
151 views

During PSET 2: Substitution, I got an expected expression error for get_string. Please help

substitution.c:24:23: error: expected expression char* plaintext = get_string(); ^ /usr/include/cs50.h:109:53: note: expanded from macro 'get_string' #define get_string(...) ...
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1answer
98 views

Pset4/recover: code is working fine but the recoverd images are not correct

I have written this code. The code seems to work fine but the images are not correct they are distorted. I have attached those photos below. Can you please help me and tell me where I went wrong in ...
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1answer
351 views

Plurality vote strange errors

My code works consistently, but I get these two errors which I check it. I would like to know how to replicate these errors on my own so that I can figure out how to fix them. #include <stdio.h>...
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1answer
566 views

pset5 speller case-insensitive

I have couple error I don't understand them at all first case-insensitive I write strcasecmp and still have an error bool check(const char *word) { int num = hash(word); for (node *c = ...
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2answers
45 views

PS1, Cash Question. Error when printing results of roundI() function

I am trying to print out the results of the round() function. #include <stdio.h> #include <math.h> int main(void){ float change = 4.2; //want change for $4.2 printf("rounded %i",...
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2answers
164 views

Problem Set 1 - Mario Pyramid - Mystery Newline is Preventing Submission

I'm working on the 'More Comfortable' version of the Mario Pyramid exercise from Problem Set 1. It isn't too difficult and I have it up and working. It successfully rejects incorrect input and ...

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