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Questions tagged [pset5]

The problem set for Week 5 will challenge you to apply what you've learned about pointers, memory management, file i/o and structs, creating more complex data structures (such as Hash Tables or Tries) and leveraging their power to write a lightning-fast spell check algorithm.

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pset5 speller - check functions seems to only return false?

so, it seems like the check() function returns false no matter what. when running debug50 it seems the cursor pointer only points at NULL, and i have no idea why and how to fix it. additionally, ...
mrtealover's user avatar
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1 answer
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PSET 5 Test plates : getting exit code 0 instead of 1

test_plates: from plates import is_valid def test_correct(): assert (is_valid("ASD123")) == True assert (is_valid("ASD")) == True assert (is_valid("AS2")) == ...
Athi's user avatar
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Speller valgrind test failing

I am working on the speller problem, I got every test except for valgrind to pass. Here is the valgrind error: running valgrind --show-leak-kinds=all --xml=yes --xml-file=/tmp/tmpbhs1m7v4 -- ./speller ...
TomasSadone's user avatar
-1 votes
2 answers
24 views

Programme fails on freeing memory - Pset 5 (speller)

I have functioning code for Speller (problem set 5), but check50 reports a memory leak from the line table[i] = n; Compilation fails when trying to free the node in the unload function: bool unload(...
Luke Sharkey's user avatar
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2 answers
40 views

PSET 5 - Speller: Compiles locally, check50 says it doesn't

I know this is one of the most frequently asked questions here, since I' ve spent more than an hour reading posts by people that faced similar problems. But still, I can't tell what's going on in my ...
Stavros Marinos's user avatar
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problem with speller problem set 5 code

well i have a problem with speller problem set 5 code. For some reason check50 returns everything wrong but when i debug it seems fine. I don't really know what the problem with my code is. This is my ...
dhan8293's user avatar
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1 answer
13 views

pset5 - seg fault when using large dictionaries or texts

I've been stuck on speller for a few days now, and recently I've gotten the program to completely pass check50. However, when I try to run it manually on my own, I find that the program works fine ...
Edward's user avatar
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1 vote
1 answer
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Get a MISSPELLED WORD memory error from check50 PSET5

I've gone through other threads but can't find what the problem is. I don't see any errors when I run valgrind but when running check50 for PSET5 get the following error: Cause Did not find "...
faarn's user avatar
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1 answer
58 views

"test_fuel catches fuel.py not printing % in gauge expected exit code 1, not 0"

I have passed all of the other check50 requirements except for this one. Here is my code def main(): while True: try: number = input("Fraction: ") if &...
Bryan Tamrin's user avatar
1 vote
2 answers
31 views

PSET 5 speller fails when solving a memory issue

Ok so when I compile the commented out part, check50 fails most of my criteria! But if I remove it, the program works but Valgrind has a frown. But when i run valgrind without the commented code, it ...
Rae's user avatar
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1 answer
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PSET 5 speller segmentation fault when trying to run

Code compiles, but when I try to run it there's a segmentation fault. Aaand I got all frowns on check50. #include <ctype.h> #include <stdbool.h> #include <stdint.h> #include <...
Rae's user avatar
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test_fuel.py failing at "all test_fuel checks, expected exit code 0, not 1"

All test are going through and program itself seems to be working correctly returning ints, strs and printing only in main() but still doesnt seems to pass the checks, can't see what could cause it. ...
Alkir man's user avatar
-1 votes
1 answer
139 views

DON'T KNOW HOW TO HANDLE THIS CHECK50 ERROR MESSAGE WITH test_plates.py

I'm dealing with Units Test and Problem set 5 test_plates.py/plates.py. I get this msg: My function is_valid(s) checks this at very beginning. I have not idea about what i'm not dealing or handling ...
Roberto's user avatar
1 vote
1 answer
47 views

pset 5 speller do not pass check 50

I do not know what I am doing wrong. Please, give me a hint. Here is my solution from check50: :( spell-checking is case-insensitive Cause expected "MISSPELLED WOR...", not "MISSPELLED ...
user40089's user avatar
1 vote
1 answer
61 views

pset5 speller cannot read number of word in dictionary

thank you for clicking. Being concise, I have the right solution for the pset, as evidenced down below by comparing my solution to the staff's, but check50 insists that no words have been loaded into ...
user40380's user avatar
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1 answer
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Pset5 Speller - Weird Load Function Bug (Edited w/ Code)

bool load(const char *dictionary) { // TODO FILE *fdict = fopen(dictionary, "r"); if (fdict == NULL) { return false; } // create container string to hold ...
Poptart's user avatar
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Refueling - problem set 5 - CS50

I have a problem with refueling from problem set 5 of cs50p. I tried and implement a lot of version of the code, always good enough to do the job and pass the test but check50 fails. I give fuel.py ...
domionico's user avatar
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1 answer
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Code for pset5 compiles, but produces no OUTPUT. Seems like it is stuck in infinite loop

Description of Problem: Hey guys, so my code is outputting only MISSPELLED WORDS and then it apparently gets stuck in an infinite loop. So that I have to type ctrl + C to be able to type anything in ...
Mateus Machado's user avatar
0 votes
1 answer
33 views

Speller works fine up until a certain point

My speller program has an issue where it will find what words are misspelled properly, but it won't give the data of the amount of words misspelled/ in the dictionary/ in text. Running Check50 shows ...
esqflowne's user avatar
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Speller big-board

How can I see where I would rank on the speller big-board? I know it doesn't exist anymore, but I'd like to see how far is my result from the best ones. I tried to write "texts/*.txt" ...
Nicolò Tiraboschi's user avatar
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1 answer
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Speller Segmentation Fault Even After Freeing Malloc'd Nodes

The following is my code and, subsequently, the message Valgrind returns when I run it on ./speller texts/lalaland.txt. I explored similar issues previously posted on Stack exchange, and added lines ...
Hamster1303's user avatar
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1 answer
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CS50 Speller works but check50 doesn't

My code seems to work fine with all text files. When I look at the errors it doesn't even show actual output, why could that be? https://submit.cs50.io/check50/e963f4484de14f0b73f8fca9a5e9431556cb649a ...
MUKTANANDA MICHAEL STIMPFIG's user avatar
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1 answer
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PSet5 Speller: Are we hashing the words in the dictionary into a hash table or the words of the text?

I've completed the first function of the Problem set, where I've sorted every word in the dictionary into a trie, but I don't know if I was supposed to do that in the hash function, and something else ...
They think im slow EH's user avatar
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1 answer
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PSet5 Speller: What is each function in dictionary.c supposed to do? [closed]

I've started working on this PSet, and now I'm confused because in the instructions I can't figure out where it tells me what each function is supposed to do. Hash is never even called in speller.c so ...
They think im slow EH's user avatar
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1 answer
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Speller: memory leak

This is my program: // Implements a dictionary's functionality #include <ctype.h> #include <stdbool.h> #include <string.h> #include <stdlib.h> #include <stdio.h> #...
shirin's user avatar
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Need help with speller.c

So, when I was testing my code for pset5's speller, I ran it and it worked not so well, to be honest, heres my code if you wanna know: #include <ctype.h> #include <stdbool.h> #include <...
aidiotwholikescoding's user avatar
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1 answer
23 views

pset5 segmentation faoult

Good morning, I have segmentation fault on my dictionary.c code, I was trying to find a Typ0 mistake or variable declaration mistake but I can not find anyone. Also I can not find logic errors, so I ...
Victor Araya's user avatar
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1 answer
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Everything is correct in my Check50 but in program I have other ERRORS - PSET05 Speller

I hope you're doing well and I also hope you might help me. When I run my CHECK50 in my speller program. Everything is correct all green, but when I run my program or valgrind I have some errors. And ...
AlvaroAndLukeTheCoder's user avatar
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1 answer
35 views

Pset5 speller segmentation fault when loading

When I run speller, I get a segmentation fault. I have played around with the code a little bit and nothing so far has changed. Using help50, this is the result I got: Looks like you're trying to ...
Team's user avatar
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1 answer
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PSET 5 "SPELLER" : Why this hash function resulting in SEGMENTATION FAULT(core dump)?

If i run it in another smaller program it works fine( returns the key correct) but on the pset 5 speller it gives segmentation fault. why?
Sharyar Javaid's user avatar
1 vote
1 answer
2k views

check50 error expected exit code 0, not 1

I was following python programming course and with the unit test chapter I updated the main file and the test files as described in this problem set page. Now I'm sure that my tests are running fine ...
Tuhin's user avatar
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0 votes
1 answer
115 views

pset5: Check50 fails for Speller but everything looks good

I wrote dictionary.c. It compiles. There are no issues with valgrind. It appears to run correctly (when comparing with answer keys). Everything looks good. But when I run Check50, it runs into issues ...
Conor O'Mahony's user avatar
0 votes
1 answer
47 views

pset5 speller valgrind test fails

in check50 my code fails last test (valgrind test) fails it says: "Use of uninitialised value of size 8: (file: dictionary.c, line: 41)" i starred line 41 below, I tried both using if(!...
Emre Kırmızı's user avatar
0 votes
1 answer
2k views

correct plates.py passes all test_plates checks: expected exit code 0, not 2

On pset 5, I am getting this error from check50: :( correct plates.py passes all test_plates checks expected exit code 0, not 2 I am confused because my plates.py does pass all test_plates checks:...
Aleksey Tsalolikhin's user avatar
0 votes
1 answer
43 views

PSET5 Speller case conversions

I've been struggling with writing code for case conversions in the check function to make all hash words to be lower-cased. My lack of knowledge in programming overall seems to be revealed at this ...
Jae-Min's user avatar
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0 answers
32 views

(pset5)I get a segmentation foult, even though check50 says that everything is allright

as per the title — I get a segfoult and can't check my times, even though check50 claims that the code is practically ready to submit. Here's my code, followed by valgrind results: // Implements a ...
Two-FaceFIL's user avatar
0 votes
1 answer
177 views

Pset5 Speller - Valgrind issue

this one was tough. But in the end my code compiles fine and has no memory leaks, the hash function isn't very good but it works. Yet I still get an error message that I just don't understand. First, ...
fth's user avatar
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0 votes
1 answer
64 views

Pset5 speller memory error --valgrind says no leaks

I almost finished pset 5 speller, I ran check50 and only the last criteria was not matched. That is "valgrind tests failed; see log for more information." The confusing thing is, when I ran ...
Eva Chen's user avatar
0 votes
1 answer
29 views

PSET5 Speller seg fault

I keep having segmentation fault in Pset5 Speller. I used debugger to find the line where seg fault happens, and it was "table[k] = n;" in function load. I don't really understand. Could ...
Eva Chen's user avatar
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0 answers
41 views

I'm working on pset5 - speller, it works fine when I run/test it, but when I run 'check50' it show this error. help me with this

[EDIT: Code removed for Harvard Honor Code compliance.]
Santhosh's user avatar
0 votes
2 answers
212 views

Valgrind error in pset5 speller

newbie here this is my first post, I hope you guys can help me! I am stacked with speller, my program works apparently fine but the valgrind test outputs some errors that I can't understand. I have ...
turo's user avatar
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0 votes
1 answer
52 views

pset5 speller load and hash functions

Whenever I run speller.c it appears that none of the words are getting loaded into the dictionary as the output looks like this: MISSPELLED WORDS A cat is not a caterpillar WORDS MISSPELLED: 6 ...
Sharl's user avatar
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0 votes
2 answers
166 views

PSET 5 Speller Check50 Problem

I think I have done everything you're supposed to do in PSET5 Speller. when I manually check the outputs of my code, it works perfectly well. It matches the staff solutions one to one. Yet Check50 ...
dohaal's user avatar
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0 votes
1 answer
37 views

PSET 5 Speller Valgrind Memory

My code is functional according to check50 but I'm still leaking bad memory. Based on amount of memory lost, I'm guessing something to close up in LOAD, but could be UNLOAD as well. First thoughts are ...
mcweebus's user avatar
0 votes
1 answer
80 views

PSET5 - Speller - Valgrind returns memory leak

After many trials, I am currently stuck in this Pset. The full code that I have is as follows: // Implements a dictionary's functionality #include <ctype.h> #include <stdbool.h> #include &...
Dr. Whiskers's user avatar
0 votes
1 answer
50 views

PS5 - Speller - Unload function

I have been going through the Pset5 (Speller) and I am currently stuck. Right now, I am just trying to have a functional code, so I am not worried about how optmized my functions (specially the Hash ...
Dr. Whiskers's user avatar
0 votes
1 answer
40 views

pset 5 speller, turning frowns upside down

I thought i had wrote a correct programme for speller, check 50 says that my code compiles but that is all it does! I have been running my programme and combing through each function and I still can't ...
Jay Donoghue's user avatar
0 votes
1 answer
53 views

Pset5 Speller - Got "Conditional jump or move depends on uninitialised value(s)", "Use of uninitialised value of size 8" by check50

I try my code here to solve the pset5 - speller question, it seems pretty ok with locally run my valgrind. But when I use check50 to check it. One error(and only 1) happened. I tried to assigned ...
Li-Yu Chu's user avatar
0 votes
1 answer
56 views

Pset5 Speller Issue With Substrings and Apostrophes

I'm able to compile my code for speller and it appears to work correctly. Valgrind shows that there are no memory errors. But when I run check50, I get back :( notices saying my code isn't handling ...
getsendy's user avatar
0 votes
1 answer
53 views

Speller segmentation fault and valgrind issues

I'm working on Speller and am able to get it to compile but get a segmentation fault when I run it. When I use valgrind, I also appear to be leaking 27 bytes of memory. Anyone able to see where I am ...
getsendy's user avatar

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