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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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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pset3 plurality check50 invalid vote

So I have a few questions on Plurality check50 errors for this Pset: My Code is as follows: #include <cs50.h> #include <stdio.h> #include <string.h> #include <math.h> // Max ...
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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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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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PSET 5 Speller- all words misspelled + memory leaking issues :(

I've tried fixing this problem for a while now, but I can't seem to figure it out. There are two main issues I am having: Firstly whenever I try running my code "./speller texts/lalaland.txt"...
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1answer
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Pset5 Speller - Valgrind displays no leaks but code fails check50

any help would be much appreciated - I've been trawling other questions similar to this one but all the adjustments I have tried to make don't seem to fix the check50 failure. The code seems to run ...
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3answers
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Why So Many Check50 Errors on Caesar? Results match expected output

Of the 11 Check50 checks, only 4 check out correct but when I run the code with the Check50 inputs, my outputs match the expected outputs, so why so many errors? Here is a link to my Check50 results: ...
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Check50 Substitution error

I am able to execute the code with any errors. The solution(output) to the examples given in the problem set 2 match my solution and yet check50 shows there are a number of issues in the output. ...
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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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Query related to Mario program(more) in CS50 pset1

I can't figure out the problem in my code, it successfully creates a pyramid but doesn't reprompt when value other than 1-8 is entered, also it gives a space before printing the pyramid, causing ...
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Readability check50 error

#include <stdio.h> #include <cs50.h> #include <string.h> #include <ctype.h> #include <math.h> // Letters detects letters // Words detects spaces // Sentences detects ...
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Unable to use check50/submit50 commands

I have installed the Linux subsystem, but I do not understand how to initialize it and also how to install the tools for the course on it. I am also thus unable to use the check50/submit50 command
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PSET 7 movies 5.sql check50 not giving the actual output correctly

the check50 output doesn't match sqlite3 output. the code runs and outputs 10 rows in sqlite3 and DBsqlite but check50 output is different.
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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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PSET4 Filter (more) Edge

I got some weird issue with my code! It compiles without any problems. All other filters work perfectly, and check50 shows no problems (no problem in edge according to check50). But, when i try edge ...
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1answer
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My 'pset1 Mario more comfortable' is returning check50 errors whilst seemingly correct

I saw this question has been asked in multiple ways before but I believe I've checked answers and am still stumped as to the issue I have. The output for my pset1 Mario more comfortable appears to be ...
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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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pset4 recover works correctly but fails check50. (not a duplicate because i want to figure out why MY code does not work)

this is my code: #include <stdio.h> #include <stdlib.h> #include <string.h> int main(int argc, char *argv[]) { // Check usage if (argc != 2) { return 1; } ...
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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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Pset4 Filter (more) compiles but fails almost all of check50 :(

Check50 link & code below All compiles but just can't get check50 right, I feel like there must be a common mistake between all of the functions as they all seem to get the first 3 lines of pixels ...
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PSET4 Blur Filter, blurs images correctly but check50 fails all blur checks

Not sure what I am doing wrong, I tried casting double to the blurhelper function and check50 still says it is wrong. void blur(int height, int width, RGBTRIPLE image[height][width]) { RGBTRIPLE(*...
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1answer
227 views

speller works fine but can´t pass check 50

I've been working a few days in speller and I've managed to make it work exactly like the cs50 staff's (or at least it looks exactly) But check50 says everything is wrong except compiling: :) ...
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1answer
81 views

PSET1 - Credit: Check50 says wrong what should be right

Someone with the same problem? I have a 16 digit number starting with a 4 and my code identifies it correct as VISA\n, but the check50 says it has to be INVALID\n. What could cause this strange ...
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1answer
87 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
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Pset 4 Recover - Middle Images Don't Recover Correctly

When I run recover, most of the pictures get recovered correctly (first and last are correct), but some in the middle don't for some reason. Any ideas why? Any help would be appreciated. #include <...
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1answer
31 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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2answers
91 views

Incorrect output by check50

I worked very hard on Cash and finally produced compilable code and correct output. But when I ran check50 I got these results, shown here. Please help. My code is shown below, in case you need it. #...
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1answer
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PSET5 check50 fail but same expected output from actual

I've seen a similar post about this but I couldn't really figure out why my code doesn't pass check50. It might be on the load function, but I'm not entirely sure. I already ran the code with the ...
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1answer
110 views

pset3 plurality - trouble implementing a linear sort

I have some code that completely passes check50, but prints results way too many times. For instance, here's a typical output: ~/pset3/plurality/ $ ./plurality Alice Bob Carol Number of voters: 5 ...
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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
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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
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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
41 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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2answers
196 views

pset2 - Caesar. Code works but fails check50. Expected and actual output match

Sorry, I know this has been asked before but I have read all the answers and nothing works! Please help. ERRORS :) caesar.c exists. :) caesar.c compiles. :) encrypts "a" as "b" using 1 as key :( ...
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3answers
39 views

Blur works visually, but check50 reads errors for every section

I know that the edges and corners are supposed to read errors, because I haven't fixed them yet. What I don't understand is why check50 reads errors for middle pixels. // Blur image void blur(int ...
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1answer
482 views

I have the error of :( handles non numeric key - timed out while waiting for program to exit in Problem Set 2 Caesar

I have the error occured. May I know wheres the issue & where to add or remove the code? I'm new to the this. Thank You in advanced. #include <stdio.h> #include <stdlib.h> #include &...
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3answers
280 views

pset1 Mario more comfortable check50

I know this question has been asked several times but I haven't found an answer that worked for the issue I have. The output for my pset1 Mario more comfortable seems to be correct (including no extra ...
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1answer
118 views

PSET3 Runoff check50 help

My code can compile and passes all the check50 except for this 2: 1) :( print_winner prints name when someone has a majority print_winner did not print winner of election 2) :( print_winner ...
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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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1answer
94 views

pset5 - check50 fails at valgrind but valgrind directly seems to show no errors?

#include <stdbool.h> #include <cs50.h> #include <string.h> #include <strings.h> #include <ctype.h> #include <stdlib.h> #include "dictionary.h" const int ...
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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
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Failing miserably on check50 and valgring, even though all my answers match exactly the staffs' keys

I don't know why my code is falling on check50! It seems like it is blowing the time limit. Is it possible? I ran my program with many texts, and the results always match the staff's key. Can ...
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1answer
163 views

Problem with Check50 in pset7

I have a problem when I use check50 in speller pset7. I get 1/6 as a final score, but when i run the code in the ide, I get the correct output, but the speller says its a wrong answer. enter image ...
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1answer
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PSET 1 - Mario More (and less) timed out while waiting for program to exit

I have written the code that makes the pyramid exactly how I am supposed to make it look. When I try it on my local computer, it works, but check50 doesn't agree. check50 displays "timed out while ...
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1answer
83 views

PSET5: Check is not working properly…i think

When I test my code...it counts most words as misspelled and only 1 or 2 words as being in dictionary..i presume the issue is in the check function...i do believe the load function works just fine as ...
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1answer
686 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
53 views

Problem Set 2 readability check function returning false negatives

So I understand I have a math error in this code. I assume it is a rounding error which I will eventually get to. In either case, many times I do return the correct grade level but the check50 ...
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1answer
130 views

pset3 output seemingly correct but not for check50

My problem is that I cannot make it correct in the check50 although the output from the simple testing seemingly fine. It would be grateful if anyone could help me understanding how to solve this. ...
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1answer
239 views

PSET3-Plurality. Check50 doesn't re

After finishing plurality, it fails check50. It returns "print_winner function did not print winner of election". In print_winner function I did the following void print_winner(void) { //create a ...
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1answer
165 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? ...

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