Questions tagged [check50]

Questions about using check50 to validate the output of your problem set solutions. When using this tag, please provide the command you used to run check50 and the full output of the program in the body of the question.

132 questions with no upvoted or accepted answers
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1answer
176 views

Appliance still does not seem to have internet access

I'm having trouble using check50. I can browse with chrome and update50 works but when I use check50 the terminal or github it tries stuff for about 5 mins then gives up and says I should restart. I ...
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1answer
123 views

Unable to use 'check50' and unable to get the bot email. Need authorization

I've tried revoking authorization from my gihub, re-authorizing CS50.me and still unable to get the bot email. Please help?
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2answers
1k views

check50 says it's not authorized (it is)

Working on pset1 I have previously authorized my github for cs50.me. When I try to run check50 cs50/2017/x/hello, I get the error message "Looks like check50 isn't enabled for your account yet. Log ...
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1answer
46 views

ps3 Move, check50, illegal move are moving? help please

Please, I spent so many hours on this and I can't find the mistake I am doing. From the start, there are some numbers still move when they are illegal move. See description from check50: :( 3x3 ...
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2answers
132 views

water.c exists but does not compile

![ My code works but it is not compiling. I ran check50 and it says that water.c exists :) but does not compile. I'm struggling to understand why.]1
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1answer
146 views

Parse wont pass check50

for some reason my code isnt passing: :( Two spaces after GET returns error code & :( Two spaces before HTTP/1.1 returns error code I cant see what would cause that. A previous question indicates ...
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0answers
114 views

Fifteen.c -> expected file to be of length X "cheap solution"?

I've been having some trouble with the fifteen game code. Even though it works as expected, when I do check50, I get a bunch of errors related to the expected size of the log file. After looking at ...
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1answer
172 views

Initials and Vigenere pass CS50 but received 0 in Gradebook

I submitted pset2 after completing all programs, manually checking for correct functionality and ensuring all programs passed check50. However, I received 0 on both initials and vigenere. I waited 2 ...
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1answer
231 views

expected output not standard error

In pset3's find. I have implemented Binary search. Everything works fine when I test it. But when I test it with check50, the last test fails saying: \ expected output, not standard error of "/opt/...
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0answers
115 views

Check50 seg. faulting on speller, locally works fine

I've been trying to fix this for days, sadly, it's almost impossible for me to try and figure out what's going on when my speller works perfectly fine locally. I tested running my program on every ...
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0answers
21 views

How do you check if a value is fractional? HEAR ME OUT FIRST

This is from cs50 finance: Text: :( buy handles fractional, negative, and non-numeric shares Cause application raised an exception (see the log for more details) Log sending POST request to /login ...
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18 views

The predefined login function psets/9/finance error

Have a problem with check50. I'm able to register, log in and all but check50 keeps denying it (the login part): :) application.py exists checking that application.py exists... :) application ...
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15 views

Readability Pset2 - check50 multiple test fail

This is the code for readability problem set 2. The code is working but not properly as it's failing test cases. the output grade is either +-1 from the expected result. Is there something wrong while ...
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22 views

Week9, Finance " :| logging in as registered user succeeds "

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 :| logging in as registered user succceeds can't check until a frown ...
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31 views

" can't check until a frown turns upside down " annoys me (Finance, week9)

I got like this: :| quote page has all required elements can't check until a frown turns upside down :| quote handles invalid ticker symbol can't check until a frown turns upside down :| quote ...
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30 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 ...
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29 views

Pset9 problem at check50 tests

hello, i've tried "112.00" in my solution and cs50's solution and the result is same "invalid shares" but i don't know why this error occur. i'm really stuck any help please
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54 views

Help on Plurality Pset3

I'm trying to solve assignment "Plurality" of Problem set 3. However, check50 didn't prove to be quite useful for me this time. I'm having only one error message saying "print_winner&...
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1answer
33 views

problem with credit with this numbers (369421438430814 & 5673598276138003)

I just finished solving the credit problem and regularly used check50 to see my results, and then this happened. check50 sees that these numbers : 369421438430814 5673598276138003 are invalid, even ...
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1answer
61 views

pset4 filter. Blur image compiles goed but does'nt pass the check50 lots of error

The code in helpers.c all images compiles exept for the Blur image it compiles without any errors. But doesn't pass the cs50 check? any suggestions only the Blur image section. Thanks // Blur ...
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1answer
25 views

Help to finish my problem - Check50 - Pset4 - Filter Less

I am coding the sepia filter, it is already working, but it does not pass the check50. I think of according to the check50 report, that there is some problem of precision in the calculations, but I ...
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0answers
99 views

Is there a bug in check50 cs50/problems/2021/x/finance?

I completed problem set 9 and works as supposed, but with check50 I get the following result: :( sell handles valid sale expected to find "56.00" in page, but it wasn't found For testing ...
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1answer
26 views

Can't check CAESAR pset2

I solved the Caesar problem and it works flawlessly. But I can not check it properly. The results are correct but ''' check50 cs50/problems/2021/x/caesar ''' says it is incorrect. If I view the ...
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1answer
28 views

Check50 problem with Readability

When I submit my readability code check50 says: Expected Output: Before Grade 1 Actual Output: Before Grade 1 Expected Output: Grade 16+ Actual Output: Grade 16+ Since my program outputs what is ...
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134 views

What's wrong with my register function? (Pset9 - Finance)

Here's my register function in application.py: @app.route("/register", methods=["GET", "POST"]) def register(): """Register user""" ...
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1answer
45 views

the code which is expected and my actual code are the same but check50 see it as incorrect LAB1

#include <cs50.h> #include <stdio.h> int main(void) { // TODO: prompt for the start size int n; do { n = get_int("start size: "); } ...
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2answers
230 views

Finance Check50

I completed Finance and everything seems to be working for me but when I use check50 it gives error. https://submit.cs50.io/check50/9d1a3517645a1207b1792d521c920386d586caf0 As you can see it shows ...
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1answer
47 views

Can you tell me my mistake? ;)

Could anybody tell me what my mistakes are ? #include <stdio.h> #include <math.h> int main (void) { float dollar; do { dollar=get_float("Enter your ...
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0answers
32 views

check50 is not working with pset4 filter

I've been trying to check problemset4 filter-less but check50 is not working The username and password is correct and I have visited submit.cs50.io as the message says and I was logged in there but ...
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1answer
26 views

I keep getting the following error when I use the Check50

You seem to be missing these required files: mario.c You are currently in: ~, did you perhaps intend another directory?
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1answer
172 views

can someone explain why i get this error code

~/pset1/ $ check50 cs50/problems/2020/x/mario/less Connecting..... Authenticating.... GitHub username: william ******** GitHub password: ******** Verifying.... Make sure your username and/or password ...
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1answer
78 views

My runoff problem doesn't pass check50

when I run check50 this is the message I get and I don't know what to fix :( tabulate counts votes when all candidates remain in election tabulate function did not produce correct vote totals :( ...
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1answer
81 views

check50 in pset2

I won't post my code, because, as far as I could tell, it works fine, but I keep on getting this when I run check50 and I don't know know exactly what it means or how to fix it. My code runs perfectly ...
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1answer
117 views

pset4 Filter (more) Edge Detection help

void edges(int height, int width, RGBTRIPLE image[height][width]) { RGBTRIPLE copy[height][width]; for (int i = 0; i < height; i++) { for (int j = 0; j < width; j++) {...
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0answers
43 views

check50 showing all okay for incomplete submission

Editing my question slightly. After uploading submission, check50 is only showing a smiley with "Finance submitted" (see screenshot below). My "progress" page is also showing ...
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3answers
51 views

Even though I get correct output check50 shows error in pset3 plurality problem

#include <cs50.h> #include <stdio.h> #include <string.h> // Max number of candidates #define MAX 9 // Candidates have name and vote count typedef struct { string name; int ...
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1answer
76 views

Pset3 runoff tabulation error

[![enter image description here][1]][1] I keep getting a tabulation error with check50 that I cannot replicate 11 voters, 4 candidates, 3 or 4 rounds of voting works fine with I run it, and debug50 ...
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2answers
42 views

mario more comfortable; "can't check until a frown turns upside down"

[EDIT: Code removed for Honor Code compliance.] The code seems to be running perfectly fine and gives the correct output But every time i try to check it, i get this: :) mario.c exists :( mario.c ...
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1answer
63 views

Having problems producung the correct result using the text extracts provided by CS%). I cant see where it goes wrong when finding the correct grade

CODE: #include <cs50.h> #include <stdio.h> #include <ctype.h> #include <string.h> #include <math.h> int main(void) { // DECLARE LETTER, WORD & SENTENCE COUNT int ...
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93 views

check50 keeps printing "Could not load basic/dict." what might be the problem in the code?

// Implements a dictionary's functionality include include include include "dictionary.h" include include include // Number of buckets in hash table define N 120000 //maximum length of ...
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1answer
104 views

pset4 filter blur

I have written the following code for blur . // Blur image void blur(int height, int width, RGBTRIPLE image[height][width]) { for ( int h=0 ; h<height ; h++) { for ( int w=0 ; ...
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1answer
32 views

Speller Works on all .txt files, but FAILS Check50

My Speller function works on all the .txt files provided with the keys. I even made a .txt containing the large dictionary and all the words are spelled correctly. However, when I go to use Check50 ...
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0answers
54 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
125 views

pset3 runoff print_winner check50 error

So I have seen this issue mentioned here before and the others have suggested that printing a newline after the name is the solution. However, my code does print a newline and in my tests, I'm getting ...
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1answer
129 views

CS50x Problem Set 4 Blur Function Issue. Does not work on 3x3 or 4x4 image

For some reason, my CS50 pset4 blur function is not returning the proper pixel values for a 3x3 or a 4x4 image. It passes the other check50 tests. I looked at the check50 output, and my code gets the ...
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1answer
47 views

How to get my code to re-prompt when given a non numeric input?

So my code in C for the mario steps is correct except that it shows an output when foo is input rather than re-prompting for a valid integer. I did check50 and this was the only error. Where can I ...
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99 views

pset5 speller seems to be working but fails in check50 - here is my dictionary.c code. Could not figured out the problem :(

//Libs include include include include "dictionary.h" include include include int dwc; // Represents a node in a hash table typedef struct node { char word[LENGTH + 1]; struct ...
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31 views

Pset5 Speller: Testing Produces Different Results Between Check50 and Keys

I am getting different results when using check50 versus using diff -y [output.txt] keys/[text] to test my code. The difference is always in WORDS IN DICTIONARY and mine is always off by exactly +1 ...
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1answer
718 views

problem set 2 caesar check :( handles non-numeric key timed out while waiting for program to exit

I have gotten my code to work for the caesar problem in problem set 2. However, when i check through check50 I run into this error: :( handles non-numeric key timed out while waiting for program ...
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1answer
177 views

pset3 I did print winner from pluarity, but check50 says I didn't. What's wrong?

I ran plurality according to spec and was able to print out all winners correctly. check50 says I didn't. What could be the problem? Is there any way to see what check50 used as inputs for plurality? ...