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.

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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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29 views

Check50 says buy allows fractional, negative numbers but it doesn't. Where am I going wrong?

I'm down to my last check50 frown (:( buy handles fractional, negative, and non-numeric shares expected status code 400, but got 200) but my code doesn't allow for these, so I don't know what to do. ...
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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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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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" 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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26 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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28 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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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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40 views

dictionary.c - pset5 segmentation fault

// Implements a dictionary`'s functionality #include <strings.h> #include <stdlib.h> #include <ctype.h> #include <stdio.h> #include <stdbool.h> #include <string.h> ...
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32 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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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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PSET 5 SPELLER - Passing Valgrind but not Check50

I am very close to solving this, my code is returning 0 errors from Valgrind when I run that on its own, but its not passing the memory errors parameter in check50, so I'm very confused. Any help ...
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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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CS50 - pset3 - Runoff | Check50 failing print_winner on majority but works correctly for any manual test I can think of

I'm having trouble with getting Runoff to complete Check50. All checks are passing except the two below for the print_winner function :( print_winner prints name when someone has a majority Cause ...
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249 views

CS50 Lab6 taking too long to run when trying to run the code

For Lab6 the code I have written seems to have problems running. Even with check50 it tells me that "check50 is taking longer than usual". I am unable to figure out what is wrong with my ...
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Recover finding all images but not passing check50

I know this has been brought up a few times before but none of the solutions seem to be relevant to the code that I have written below. My recover.c file compiles, executes and returns all 50 images ...
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In Recover, when I run check50, it says timed out while waiting for program to exit. But when I run it with ./recover card.raw, it works perfectly

#include <stdio.h> #include <stdlib.h> #include <stdint.h> typedef uint8_t BYTE; int check_jpg(BYTE array[]); int main(int argc, char *argv[]) { if(argc != 2) { ...
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38 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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105 views

CS50 Finance check50 problem in sell function, it works fine when i test it as well but idk what the problem is

I tried my solution multiple times and compared it to the staff's solution as well but there is an check 50 error saying ":( sell handles valid sale expected to find "56.00" in page, ...
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53 views

pset4 filter (more) edge not passing check50

this is my code for Edge, and it's not passing check50. below are the errors I got. any help is appreciated. :( edges correctly filters middle pixel expected "210 150 60\n", not "28 202 ...
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32 views

Readability Wrong Output at Index around 7-8

I have been struggling with Week 2 Problem Set 2 Readability Question. At this point, I feel like I am stuck, and spend too much time just trying to fix one error. The code works perfectly except &...
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83 views

Pset4 Filter sepia error from check50

below is my code for Pset4 filter(less). the code compiles fine, but I was getting these errors from check50. really appreciate if anyone can help. thanks :( sepia correctly filters single pixel ...
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89 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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62 views

Check50 accepts all but last 2 tests. pset1/credit

I've been trying to fix this on my own for a bit but I wasn't able to find an answer online. My credit program passes all check50 test's except for the last two (identifies 4111111111111113 as INVALID ...
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24 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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26 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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127 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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42 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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42 views

Pset3 Plurality: program runs fine when I check manually, but Check50 disagrees

I wish I could be more specific with my question, but the problem is as the title suggests, check50's results do not seem to comport to mine. When I put it through check50, it fails on print_winner ...
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657 views

Why is my lab1 code failing to pass one test in check50?

First, let me share my code: int main(void) { int x = 1, y, n = 0, year; do { x = get_int("Enter the starting population size: "); // TODO: Prompt for start size } ...
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95 views

I don't understand the comments from check50 on my lab 1 submission. could anyone help please?

This is my code #include <cs50.h> #include <stdio.h> int main(void) { // TODO: Prompt for start size int s; do { s= get_int("Start size: "); } ...
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1answer
17 views

Who do I contact about check50 errors?

EDIT: There were no errors with check50; I missed part of the specification and couldn't tell the error from check50. Is there a specific contact I should forward these errors to? My code is clearly ...
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202 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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24 views

pset6 mario more - there is a extra line in my output how do i get rid of it

o = input("Height: ") if int(o) > 8 or int(o) <= 0: o = input("Height: ",end = "") i = int(o) for j in range (i + 1): # calculating number of spaces n ...
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35 views

pset4 recover.c last image does not match

I've doing recover.c from pset4. When I ran check50, all images except for the last one. I guess it's probably the problem of feof function. But I don't know how to edit my code to make it works //...
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32 views

speller: Testing myself works but check50 says it's producing no output

I have tried testing my code normally with the provided dictionaries and texts, and it seems to work, producing the expected results in a reasonable amount of time. However, when I use check50, it ...
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27 views

Check50 doesnt approve but code seems to work fine

PSET3 Plurality: Although the problem itself isn't tough to solve but Check50 simply doesn't like the way I wrote it. I've been trying to pass the tests since an hour or more but I can't figure out ...
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23 views

Pset 5- Output is correct but still cant pass check50

I am currently working on Pset5, Speller. My output seems to be identical with cs50's solution (mine is simply way slower), but I still can't pass check50, it simply shows a blank window for my output....
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28 views

Some values in my 'edges' don't pass check50

the rightmost values in the matrix in check50 is wrong but the other values are correct. I'm not really sure what's wrong. code: void edges(int height, int width, RGBTRIPLE image[height][width]) { ...
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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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1answer
42 views

Need help solving blur with c

Code: void blur(int height, int width, RGBTRIPLE image[height][width]) { //temporary image to swap RGBTRIPLE temp_img[height][width]; for (int g = 0; g < height; g++) { for (int h = 0; h < ...
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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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64 views

pset 7 houses passes check 50 but shows the names 4 times

I have a really strange problem here: both import and rooster passes every check in check 50, but if I run Rooster the names on every house appear 4 times. I have no clue about why this is happening, ...
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24 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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51 views

Check50 all green but my own tests fail

I completed Runoff with 100% pass in check50 but when i do my own tests i get wrong winners. I checked everything to the best of my abilities but i just can't find the problem and it's driving me ...
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1answer
41 views

caesar pset 2 non-numeric key error even when it works well when i try it myself

Here is my code which works well even with non-numeric key. #include <stdio.h> #include <cs50.h> #include <stdlib.h> #include <ctype.h> #include <string.h> bool key_check(...
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1answer
54 views

Recover Week 4 Assignment--Code appears to work beautifully but check50 says no

My code works as I get all 0-49 images that look beautiful to me. After days of working on this, I really would appreciate any advice as to why the checker is saying my code failed the last three ...
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1answer
55 views

pset5 speller check50 error - code doens`t handle max length (45char)

i get this error from check50 and i can t figure out why...: :( handles max length (45-char) words expected "MISSPELLED WOR...", not "MISSPELLED WOR..." everything else is green (...
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1answer
164 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
22 views

cs50 grading specifications (2020)

I would like to ask a question about the grading system If an assignment is done, and it passes all the specifications given, does it mean that you get a 100%? I have submitted 2 problems (I am yet to ...

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